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| author | Camille GILLOT <gillot.camille@gmail.com> | 2023-02-27 17:39:02 +0000 |
|---|---|---|
| committer | Camille GILLOT <gillot.camille@gmail.com> | 2023-04-03 15:59:21 +0000 |
| commit | 28d74a9b7286c7e93484541326c92bdddb587f1a (patch) | |
| tree | 11ed01e45b54e46a5c84acdcbd81ff989df4e60d | |
| parent | fea7b59d12ad34f18e03c2c6646cd8971dc2f216 (diff) | |
| download | rust-28d74a9b7286c7e93484541326c92bdddb587f1a.tar.gz rust-28d74a9b7286c7e93484541326c92bdddb587f1a.zip | |
Shrink binding span.
11 files changed, 302 insertions, 439 deletions
diff --git a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs index 59a7253ea49..2fee1721f99 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs @@ -879,17 +879,25 @@ fn check_borrow_conflicts_in_at_patterns(cx: &MatchVisitor<'_, '_, '_>, pat: &Pa hir::PatKind::Binding(.., name, Some(sub)) => (*name, sub), _ => return, }; - let binding_span = pat.span.with_hi(name.span.hi()); + let mk_span = |pat_span, ident_span: Span| { + if let Some(ident_span) = ident_span.find_ancestor_inside(pat_span) { + pat_span.with_hi(ident_span.hi()) + } else { + pat_span + } + }; + let binding_span = mk_span(pat.span, name.span); let typeck_results = cx.typeck_results; let sess = cx.tcx.sess; // Get the binding move, extract the mutability if by-ref. - let mut_outer = match typeck_results.extract_binding_mode(sess, pat.hir_id, pat.span) { + let mut_outer = match typeck_results.extract_binding_mode(sess, pat.hir_id, binding_span) { Some(ty::BindByValue(_)) if is_binding_by_move(cx, pat.hir_id) => { // We have `x @ pat` where `x` is by-move. Reject all borrows in `pat`. let mut conflicts_ref = Vec::new(); - sub.each_binding(|_, hir_id, span, _| { + sub.each_binding(|_, hir_id, span, ident| { + let span = mk_span(span, ident.span); match typeck_results.extract_binding_mode(sess, hir_id, span) { Some(ty::BindByValue(_)) | None => {} Some(ty::BindByReference(_)) => conflicts_ref.push(span), @@ -897,7 +905,7 @@ fn check_borrow_conflicts_in_at_patterns(cx: &MatchVisitor<'_, '_, '_>, pat: &Pa }); if !conflicts_ref.is_empty() { sess.emit_err(BorrowOfMovedValue { - span: pat.span, + span: binding_span, binding_span, conflicts_ref, name, @@ -920,6 +928,7 @@ fn check_borrow_conflicts_in_at_patterns(cx: &MatchVisitor<'_, '_, '_>, pat: &Pa let mut conflicts_mut_mut = Vec::new(); let mut conflicts_mut_ref = Vec::new(); sub.each_binding(|_, hir_id, span, name| { + let span = mk_span(span, name.span); match typeck_results.extract_binding_mode(sess, hir_id, span) { Some(ty::BindByReference(mut_inner)) => match (mut_outer, mut_inner) { // Both sides are `ref`. @@ -957,20 +966,20 @@ fn check_borrow_conflicts_in_at_patterns(cx: &MatchVisitor<'_, '_, '_>, pat: &Pa // Report errors if any. if report_mut_mut { // Report mutability conflicts for e.g. `ref mut x @ Some(ref mut y)`. - sess.emit_err(MultipleMutBorrows { span: pat.span, occurences }); + sess.emit_err(MultipleMutBorrows { span: binding_span, occurences }); } else if report_mut_ref { // Report mutability conflicts for e.g. `ref x @ Some(ref mut y)` or the converse. match mut_outer { Mutability::Mut => { - sess.emit_err(AlreadyMutBorrowed { span: pat.span, occurences }); + sess.emit_err(AlreadyMutBorrowed { span: binding_span, occurences }); } Mutability::Not => { - sess.emit_err(AlreadyBorrowed { span: pat.span, occurences }); + sess.emit_err(AlreadyBorrowed { span: binding_span, occurences }); } }; } else if report_move_conflict { // Report by-ref and by-move conflicts, e.g. `ref x @ y`. - sess.emit_err(MovedWhileBorrowed { span: pat.span, occurences }); + sess.emit_err(MovedWhileBorrowed { span: binding_span, occurences }); } } diff --git a/tests/ui/borrowck/bindings-after-at-or-patterns-slice-patterns-box-patterns.stderr b/tests/ui/borrowck/bindings-after-at-or-patterns-slice-patterns-box-patterns.stderr index 5835f06753b..0ca14c3f3bc 100644 --- a/tests/ui/borrowck/bindings-after-at-or-patterns-slice-patterns-box-patterns.stderr +++ b/tests/ui/borrowck/bindings-after-at-or-patterns-slice-patterns-box-patterns.stderr @@ -2,18 +2,16 @@ error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/bindings-after-at-or-patterns-slice-patterns-box-patterns.rs:36:9 | LL | ref foo @ [.., ref mut bar] => (), - | -------^^^^^^^^-----------^ - | | | - | | value is mutably borrowed by `bar` here + | ^^^^^^^ ----------- value is mutably borrowed by `bar` here + | | | value is borrowed by `foo` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/bindings-after-at-or-patterns-slice-patterns-box-patterns.rs:120:9 | LL | ref foo @ Some(box ref mut s) => (), - | -------^^^^^^^^^^^^---------^ - | | | - | | value is mutably borrowed by `s` here + | ^^^^^^^ --------- value is mutably borrowed by `s` here + | | | value is borrowed by `foo` here error[E0382]: borrow of moved value: `x` diff --git a/tests/ui/pattern/bindings-after-at/bind-by-move-neither-can-live-while-the-other-survives-1.stderr b/tests/ui/pattern/bindings-after-at/bind-by-move-neither-can-live-while-the-other-survives-1.stderr index 29cd6c45c34..25838fbf0ab 100644 --- a/tests/ui/pattern/bindings-after-at/bind-by-move-neither-can-live-while-the-other-survives-1.stderr +++ b/tests/ui/pattern/bindings-after-at/bind-by-move-neither-can-live-while-the-other-survives-1.stderr @@ -2,18 +2,16 @@ error: cannot move out of value because it is borrowed --> $DIR/bind-by-move-neither-can-live-while-the-other-survives-1.rs:12:14 | LL | Some(ref _y @ _z) => {} - | ------^^^-- - | | | - | | value is moved into `_z` here + | ^^^^^^ -- value is moved into `_z` here + | | | value is borrowed by `_y` here error: borrow of moved value --> $DIR/bind-by-move-neither-can-live-while-the-other-survives-1.rs:19:14 | LL | Some(_z @ ref _y) => {} - | --^^^------ - | | | - | | value borrowed here after move + | ^^ ------ value borrowed here after move + | | | value moved into `_z` here | move occurs because `_z` has type `X` which does not implement the `Copy` trait | @@ -26,18 +24,16 @@ error: cannot move out of value because it is borrowed --> $DIR/bind-by-move-neither-can-live-while-the-other-survives-1.rs:26:14 | LL | Some(ref mut _y @ _z) => {} - | ----------^^^-- - | | | - | | value is moved into `_z` here + | ^^^^^^^^^^ -- value is moved into `_z` here + | | | value is mutably borrowed by `_y` here error: borrow of moved value --> $DIR/bind-by-move-neither-can-live-while-the-other-survives-1.rs:33:14 | LL | Some(_z @ ref mut _y) => {} - | --^^^---------- - | | | - | | value borrowed here after move + | ^^ ---------- value borrowed here after move + | | | value moved into `_z` here | move occurs because `_z` has type `X` which does not implement the `Copy` trait | diff --git a/tests/ui/pattern/bindings-after-at/borrowck-pat-at-and-box.stderr b/tests/ui/pattern/bindings-after-at/borrowck-pat-at-and-box.stderr index 2c123b01e17..9305facc406 100644 --- a/tests/ui/pattern/bindings-after-at/borrowck-pat-at-and-box.stderr +++ b/tests/ui/pattern/bindings-after-at/borrowck-pat-at-and-box.stderr @@ -2,72 +2,64 @@ error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-at-and-box.rs:31:9 | LL | let ref a @ box b = Box::new(NC); - | -----^^^^^^^- - | | | - | | value is moved into `b` here + | ^^^^^ - value is moved into `b` here + | | | value is borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-at-and-box.rs:34:9 | LL | let ref a @ box ref mut b = Box::new(nc()); - | -----^^^^^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^ --------- value is mutably borrowed by `b` here + | | | value is borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-at-and-box.rs:36:9 | LL | let ref a @ box ref mut b = Box::new(NC); - | -----^^^^^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^ --------- value is mutably borrowed by `b` here + | | | value is borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-at-and-box.rs:38:9 | LL | let ref a @ box ref mut b = Box::new(NC); - | -----^^^^^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^ --------- value is mutably borrowed by `b` here + | | | value is borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-at-and-box.rs:42:9 | LL | let ref a @ box ref mut b = Box::new(NC); - | -----^^^^^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^ --------- value is mutably borrowed by `b` here + | | | value is borrowed by `a` here error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-at-and-box.rs:48:9 | LL | let ref mut a @ box ref b = Box::new(NC); - | ---------^^^^^^^----- - | | | - | | value is borrowed by `b` here + | ^^^^^^^^^ ----- value is borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-at-and-box.rs:62:9 | LL | ref mut a @ box ref b => { - | ---------^^^^^^^----- - | | | - | | value is borrowed by `b` here + | ^^^^^^^^^ ----- value is borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-at-and-box.rs:54:11 | LL | fn f5(ref mut a @ box ref b: Box<NC>) { - | ---------^^^^^^^----- - | | | - | | value is borrowed by `b` here + | ^^^^^^^^^ ----- value is borrowed by `b` here + | | | value is mutably borrowed by `a` here error[E0382]: borrow of moved value diff --git a/tests/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref-inverse-promotion.stderr b/tests/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref-inverse-promotion.stderr index d6474f1b49f..c440f4619f5 100644 --- a/tests/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref-inverse-promotion.stderr +++ b/tests/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref-inverse-promotion.stderr @@ -2,9 +2,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse-promotion.rs:6:9 | LL | let a @ ref b = U; - | -^^^----- - | | | - | | value borrowed here after move + | ^ ----- value borrowed here after move + | | | value moved into `a` here | move occurs because `a` has type `U` which does not implement the `Copy` trait | diff --git a/tests/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref-inverse.stderr b/tests/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref-inverse.stderr index 389e86e6464..13989ebadcb 100644 --- a/tests/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref-inverse.stderr +++ b/tests/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref-inverse.stderr @@ -2,9 +2,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:22:9 | LL | let a @ ref b = U; - | -^^^----- - | | | - | | value borrowed here after move + | ^ ----- value borrowed here after move + | | | value moved into `a` here | move occurs because `a` has type `U` which does not implement the `Copy` trait | @@ -17,9 +16,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:24:9 | LL | let a @ (mut b @ ref mut c, d @ ref e) = (U, U); - | -^^^^^^^^^^^^---------^^^^^^-----^ - | | | | - | | | value borrowed here after move + | ^ --------- ----- value borrowed here after move + | | | | | value borrowed here after move | value moved into `a` here | move occurs because `a` has type `(U, U)` which does not implement the `Copy` trait @@ -33,9 +31,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:24:14 | LL | let a @ (mut b @ ref mut c, d @ ref e) = (U, U); - | -----^^^--------- - | | | - | | value borrowed here after move + | ^^^^^ --------- value borrowed here after move + | | | value moved into `b` here | move occurs because `b` has type `U` which does not implement the `Copy` trait | @@ -48,9 +45,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:24:33 | LL | let a @ (mut b @ ref mut c, d @ ref e) = (U, U); - | -^^^----- - | | | - | | value borrowed here after move + | ^ ----- value borrowed here after move + | | | value moved into `d` here | move occurs because `d` has type `U` which does not implement the `Copy` trait | @@ -63,9 +59,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:29:9 | LL | let a @ [ref mut b, ref c] = [U, U]; - | -^^^^---------^^-----^ - | | | | - | | | value borrowed here after move + | ^ --------- ----- value borrowed here after move + | | | | | value borrowed here after move | value moved into `a` here | move occurs because `a` has type `[U; 2]` which does not implement the `Copy` trait @@ -79,9 +74,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:31:9 | LL | let a @ ref b = u(); - | -^^^----- - | | | - | | value borrowed here after move + | ^ ----- value borrowed here after move + | | | value moved into `a` here | move occurs because `a` has type `U` which does not implement the `Copy` trait | @@ -94,9 +88,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:33:9 | LL | let a @ (mut b @ ref mut c, d @ ref e) = (u(), u()); - | -^^^^^^^^^^^^---------^^^^^^-----^ - | | | | - | | | value borrowed here after move + | ^ --------- ----- value borrowed here after move + | | | | | value borrowed here after move | value moved into `a` here | move occurs because `a` has type `(U, U)` which does not implement the `Copy` trait @@ -110,9 +103,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:33:14 | LL | let a @ (mut b @ ref mut c, d @ ref e) = (u(), u()); - | -----^^^--------- - | | | - | | value borrowed here after move + | ^^^^^ --------- value borrowed here after move + | | | value moved into `b` here | move occurs because `b` has type `U` which does not implement the `Copy` trait | @@ -125,9 +117,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:33:33 | LL | let a @ (mut b @ ref mut c, d @ ref e) = (u(), u()); - | -^^^----- - | | | - | | value borrowed here after move + | ^ ----- value borrowed here after move + | | | value moved into `d` here | move occurs because `d` has type `U` which does not implement the `Copy` trait | @@ -140,9 +131,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:38:9 | LL | let a @ [ref mut b, ref c] = [u(), u()]; - | -^^^^---------^^-----^ - | | | | - | | | value borrowed here after move + | ^ --------- ----- value borrowed here after move + | | | | | value borrowed here after move | value moved into `a` here | move occurs because `a` has type `[U; 2]` which does not implement the `Copy` trait @@ -156,9 +146,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:42:9 | LL | a @ Some(ref b) => {} - | -^^^^^^^^-----^ - | | | - | | value borrowed here after move + | ^ ----- value borrowed here after move + | | | value moved into `a` here | move occurs because `a` has type `Option<U>` which does not implement the `Copy` trait | @@ -171,9 +160,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:47:9 | LL | a @ Some((mut b @ ref mut c, d @ ref e)) => {} - | -^^^^^^^^^^^^^^^^^---------^^^^^^-----^^ - | | | | - | | | value borrowed here after move + | ^ --------- ----- value borrowed here after move + | | | | | value borrowed here after move | value moved into `a` here | move occurs because `a` has type `Option<(U, U)>` which does not implement the `Copy` trait @@ -187,9 +175,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:47:19 | LL | a @ Some((mut b @ ref mut c, d @ ref e)) => {} - | -----^^^--------- - | | | - | | value borrowed here after move + | ^^^^^ --------- value borrowed here after move + | | | value moved into `b` here | move occurs because `b` has type `U` which does not implement the `Copy` trait | @@ -202,9 +189,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:47:38 | LL | a @ Some((mut b @ ref mut c, d @ ref e)) => {} - | -^^^----- - | | | - | | value borrowed here after move + | ^ ----- value borrowed here after move + | | | value moved into `d` here | move occurs because `d` has type `U` which does not implement the `Copy` trait | @@ -217,9 +203,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:55:9 | LL | mut a @ Some([ref b, ref mut c]) => {} - | -----^^^^^^^^^-----^^---------^^ - | | | | - | | | value borrowed here after move + | ^^^^^ ----- --------- value borrowed here after move + | | | | | value borrowed here after move | value moved into `a` here | move occurs because `a` has type `Option<[U; 2]>` which does not implement the `Copy` trait @@ -233,9 +218,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:61:9 | LL | a @ Some(ref b) => {} - | -^^^^^^^^-----^ - | | | - | | value borrowed here after move + | ^ ----- value borrowed here after move + | | | value moved into `a` here | move occurs because `a` has type `Option<U>` which does not implement the `Copy` trait | @@ -248,9 +232,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:67:9 | LL | a @ Some((mut b @ ref mut c, d @ ref e)) => {} - | -^^^^^^^^^^^^^^^^^---------^^^^^^-----^^ - | | | | - | | | value borrowed here after move + | ^ --------- ----- value borrowed here after move + | | | | | value borrowed here after move | value moved into `a` here | move occurs because `a` has type `Option<(U, U)>` which does not implement the `Copy` trait @@ -264,9 +247,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:67:19 | LL | a @ Some((mut b @ ref mut c, d @ ref e)) => {} - | -----^^^--------- - | | | - | | value borrowed here after move + | ^^^^^ --------- value borrowed here after move + | | | value moved into `b` here | move occurs because `b` has type `U` which does not implement the `Copy` trait | @@ -279,9 +261,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:67:38 | LL | a @ Some((mut b @ ref mut c, d @ ref e)) => {} - | -^^^----- - | | | - | | value borrowed here after move + | ^ ----- value borrowed here after move + | | | value moved into `d` here | move occurs because `d` has type `U` which does not implement the `Copy` trait | @@ -294,9 +275,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:75:9 | LL | mut a @ Some([ref b, ref mut c]) => {} - | -----^^^^^^^^^-----^^---------^^ - | | | | - | | | value borrowed here after move + | ^^^^^ ----- --------- value borrowed here after move + | | | | | value borrowed here after move | value moved into `a` here | move occurs because `a` has type `Option<[U; 2]>` which does not implement the `Copy` trait @@ -310,9 +290,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:11:11 | LL | fn f1(a @ ref b: U) {} - | -^^^----- - | | | - | | value borrowed here after move + | ^ ----- value borrowed here after move + | | | value moved into `a` here | move occurs because `a` has type `U` which does not implement the `Copy` trait | @@ -325,9 +304,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:14:11 | LL | fn f2(mut a @ (b @ ref c, mut d @ ref e): (U, U)) {} - | -----^^^^^^^^-----^^^^^^^^^^-----^ - | | | | - | | | value borrowed here after move + | ^^^^^ ----- ----- value borrowed here after move + | | | | | value borrowed here after move | value moved into `a` here | move occurs because `a` has type `(U, U)` which does not implement the `Copy` trait @@ -341,9 +319,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:14:20 | LL | fn f2(mut a @ (b @ ref c, mut d @ ref e): (U, U)) {} - | -^^^----- - | | | - | | value borrowed here after move + | ^ ----- value borrowed here after move + | | | value moved into `b` here | move occurs because `b` has type `U` which does not implement the `Copy` trait | @@ -356,9 +333,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:14:31 | LL | fn f2(mut a @ (b @ ref c, mut d @ ref e): (U, U)) {} - | -----^^^----- - | | | - | | value borrowed here after move + | ^^^^^ ----- value borrowed here after move + | | | value moved into `d` here | move occurs because `d` has type `U` which does not implement the `Copy` trait | @@ -371,9 +347,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-by-move-and-ref-inverse.rs:19:11 | LL | fn f3(a @ [ref mut b, ref c]: [U; 2]) {} - | -^^^^---------^^-----^ - | | | | - | | | value borrowed here after move + | ^ --------- ----- value borrowed here after move + | | | | | value borrowed here after move | value moved into `a` here | move occurs because `a` has type `[U; 2]` which does not implement the `Copy` trait diff --git a/tests/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref.stderr b/tests/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref.stderr index 4f7fbc9e04b..00593b2a98f 100644 --- a/tests/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref.stderr +++ b/tests/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref.stderr @@ -2,18 +2,16 @@ error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:24:9 | LL | let ref a @ b = U; - | -----^^^- - | | | - | | value is moved into `b` here + | ^^^^^ - value is moved into `b` here + | | | value is borrowed by `a` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:26:9 | LL | let ref a @ (ref b @ mut c, ref d @ e) = (U, U); - | -----^^^^^^^^^^^^-----^^^^^^^^^^-^ - | | | | - | | | value is moved into `e` here + | ^^^^^ ----- - value is moved into `e` here + | | | | | value is moved into `c` here | value is borrowed by `a` here @@ -21,27 +19,24 @@ error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:26:18 | LL | let ref a @ (ref b @ mut c, ref d @ e) = (U, U); - | -----^^^----- - | | | - | | value is moved into `c` here + | ^^^^^ ----- value is moved into `c` here + | | | value is borrowed by `b` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:26:33 | LL | let ref a @ (ref b @ mut c, ref d @ e) = (U, U); - | -----^^^- - | | | - | | value is moved into `e` here + | ^^^^^ - value is moved into `e` here + | | | value is borrowed by `d` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:30:9 | LL | let ref mut a @ [b, mut c] = [U, U]; - | ---------^^^^-^^-----^ - | | | | - | | | value is moved into `c` here + | ^^^^^^^^^ - ----- value is moved into `c` here + | | | | | value is moved into `b` here | value is mutably borrowed by `a` here @@ -49,18 +44,16 @@ error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:33:9 | LL | let ref a @ b = u(); - | -----^^^- - | | | - | | value is moved into `b` here + | ^^^^^ - value is moved into `b` here + | | | value is borrowed by `a` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:36:9 | LL | let ref a @ (ref b @ mut c, ref d @ e) = (u(), u()); - | -----^^^^^^^^^^^^-----^^^^^^^^^^-^ - | | | | - | | | value is moved into `e` here + | ^^^^^ ----- - value is moved into `e` here + | | | | | value is moved into `c` here | value is borrowed by `a` here @@ -68,27 +61,24 @@ error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:36:18 | LL | let ref a @ (ref b @ mut c, ref d @ e) = (u(), u()); - | -----^^^----- - | | | - | | value is moved into `c` here + | ^^^^^ ----- value is moved into `c` here + | | | value is borrowed by `b` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:36:33 | LL | let ref a @ (ref b @ mut c, ref d @ e) = (u(), u()); - | -----^^^- - | | | - | | value is moved into `e` here + | ^^^^^ - value is moved into `e` here + | | | value is borrowed by `d` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:42:9 | LL | let ref mut a @ [b, mut c] = [u(), u()]; - | ---------^^^^-^^-----^ - | | | | - | | | value is moved into `c` here + | ^^^^^^^^^ - ----- value is moved into `c` here + | | | | | value is moved into `b` here | value is mutably borrowed by `a` here @@ -96,18 +86,16 @@ error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:47:9 | LL | ref a @ Some(b) => {} - | -----^^^^^^^^-^ - | | | - | | value is moved into `b` here + | ^^^^^ - value is moved into `b` here + | | | value is borrowed by `a` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:52:9 | LL | ref a @ Some((ref b @ mut c, ref d @ e)) => {} - | -----^^^^^^^^^^^^^^^^^-----^^^^^^^^^^-^^ - | | | | - | | | value is moved into `e` here + | ^^^^^ ----- - value is moved into `e` here + | | | | | value is moved into `c` here | value is borrowed by `a` here @@ -115,27 +103,24 @@ error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:52:23 | LL | ref a @ Some((ref b @ mut c, ref d @ e)) => {} - | -----^^^----- - | | | - | | value is moved into `c` here + | ^^^^^ ----- value is moved into `c` here + | | | value is borrowed by `b` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:52:38 | LL | ref a @ Some((ref b @ mut c, ref d @ e)) => {} - | -----^^^- - | | | - | | value is moved into `e` here + | ^^^^^ - value is moved into `e` here + | | | value is borrowed by `d` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:59:9 | LL | ref mut a @ Some([b, mut c]) => {} - | ---------^^^^^^^^^-^^-----^^ - | | | | - | | | value is moved into `c` here + | ^^^^^^^^^ - ----- value is moved into `c` here + | | | | | value is moved into `b` here | value is mutably borrowed by `a` here @@ -143,18 +128,16 @@ error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:64:9 | LL | ref a @ Some(b) => {} - | -----^^^^^^^^-^ - | | | - | | value is moved into `b` here + | ^^^^^ - value is moved into `b` here + | | | value is borrowed by `a` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:69:9 | LL | ref a @ Some((ref b @ mut c, ref d @ e)) => {} - | -----^^^^^^^^^^^^^^^^^-----^^^^^^^^^^-^^ - | | | | - | | | value is moved into `e` here + | ^^^^^ ----- - value is moved into `e` here + | | | | | value is moved into `c` here | value is borrowed by `a` here @@ -162,27 +145,24 @@ error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:69:23 | LL | ref a @ Some((ref b @ mut c, ref d @ e)) => {} - | -----^^^----- - | | | - | | value is moved into `c` here + | ^^^^^ ----- value is moved into `c` here + | | | value is borrowed by `b` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:69:38 | LL | ref a @ Some((ref b @ mut c, ref d @ e)) => {} - | -----^^^- - | | | - | | value is moved into `e` here + | ^^^^^ - value is moved into `e` here + | | | value is borrowed by `d` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:78:9 | LL | ref mut a @ Some([b, mut c]) => {} - | ---------^^^^^^^^^-^^-----^^ - | | | | - | | | value is moved into `c` here + | ^^^^^^^^^ - ----- value is moved into `c` here + | | | | | value is moved into `b` here | value is mutably borrowed by `a` here @@ -190,18 +170,16 @@ error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:11:11 | LL | fn f1(ref a @ b: U) {} - | -----^^^- - | | | - | | value is moved into `b` here + | ^^^^^ - value is moved into `b` here + | | | value is borrowed by `a` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:14:11 | LL | fn f2(ref a @ (ref b @ mut c, ref d @ e): (U, U)) {} - | -----^^^^^^^^^^^^-----^^^^^^^^^^-^ - | | | | - | | | value is moved into `e` here + | ^^^^^ ----- - value is moved into `e` here + | | | | | value is moved into `c` here | value is borrowed by `a` here @@ -209,27 +187,24 @@ error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:14:20 | LL | fn f2(ref a @ (ref b @ mut c, ref d @ e): (U, U)) {} - | -----^^^----- - | | | - | | value is moved into `c` here + | ^^^^^ ----- value is moved into `c` here + | | | value is borrowed by `b` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:14:35 | LL | fn f2(ref a @ (ref b @ mut c, ref d @ e): (U, U)) {} - | -----^^^- - | | | - | | value is moved into `e` here + | ^^^^^ - value is moved into `e` here + | | | value is borrowed by `d` here error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-by-move-and-ref.rs:20:11 | LL | fn f3(ref mut a @ [b, mut c]: [U; 2]) {} - | ---------^^^^-^^-----^ - | | | | - | | | value is moved into `c` here + | ^^^^^^^^^ - ----- value is moved into `c` here + | | | | | value is moved into `b` here | value is mutably borrowed by `a` here diff --git a/tests/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-and-ref.stderr b/tests/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-and-ref.stderr index f51b5041858..d6409d1b643 100644 --- a/tests/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-and-ref.stderr +++ b/tests/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-and-ref.stderr @@ -2,18 +2,16 @@ error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:8:9 | LL | ref mut z @ &mut Some(ref a) => { - | ---------^^^^^^^^^^^^^-----^ - | | | - | | value is borrowed by `a` here + | ^^^^^^^^^ ----- value is borrowed by `a` here + | | | value is mutably borrowed by `z` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-and-ref.rs:33:9 | LL | let ref mut a @ (ref b @ ref mut c) = u(); // sub-in-sub - | ---------^^^^-----------------^ - | | | | - | | | value is mutably borrowed by `c` here + | ^^^^^^^^^ ----- --------- value is mutably borrowed by `c` here + | | | | | value is borrowed by `b` here | value is mutably borrowed by `a` here @@ -21,36 +19,32 @@ error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:33:22 | LL | let ref mut a @ (ref b @ ref mut c) = u(); // sub-in-sub - | -----^^^--------- - | | | - | | value is mutably borrowed by `c` here + | ^^^^^ --------- value is mutably borrowed by `c` here + | | | value is borrowed by `b` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:37:9 | LL | let ref a @ ref mut b = U; - | -----^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^ --------- value is mutably borrowed by `b` here + | | | value is borrowed by `a` here error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:39:9 | LL | let ref mut a @ ref b = U; - | ---------^^^----- - | | | - | | value is borrowed by `b` here + | ^^^^^^^^^ ----- value is borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:41:9 | LL | let ref a @ (ref mut b, ref mut c) = (U, U); - | -----^^^^---------^^---------^ - | | | | - | | | value is mutably borrowed by `c` here + | ^^^^^ --------- --------- value is mutably borrowed by `c` here + | | | | | value is mutably borrowed by `b` here | value is borrowed by `a` here @@ -58,9 +52,8 @@ error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:43:9 | LL | let ref mut a @ (ref b, ref c) = (U, U); - | ---------^^^^-----^^-----^ - | | | | - | | | value is borrowed by `c` here + | ^^^^^^^^^ ----- ----- value is borrowed by `c` here + | | | | | value is borrowed by `b` here | value is mutably borrowed by `a` here @@ -68,153 +61,136 @@ error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:46:9 | LL | let ref mut a @ ref b = u(); - | ---------^^^----- - | | | - | | value is borrowed by `b` here + | ^^^^^^^^^ ----- value is borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:51:9 | LL | let ref a @ ref mut b = u(); - | -----^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^ --------- value is mutably borrowed by `b` here + | | | value is borrowed by `a` here error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:57:9 | LL | let ref mut a @ ref b = U; - | ---------^^^----- - | | | - | | value is borrowed by `b` here + | ^^^^^^^^^ ----- value is borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:61:9 | LL | let ref a @ ref mut b = U; - | -----^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^ --------- value is mutably borrowed by `b` here + | | | value is borrowed by `a` here error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:67:9 | LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) => { - | ---------^^^^^^-----^ - | | | - | | value is borrowed by `b` here + | ^^^^^^^^^ ----- value is borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:67:33 | LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) => { - | ---------^^^^^^^-----^ - | | | - | | value is borrowed by `b` here + | ^^^^^^^^^ ----- value is borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:76:9 | LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) => { - | -----^^^^^^---------^ - | | | - | | value is mutably borrowed by `b` here + | ^^^^^ --------- value is mutably borrowed by `b` here + | | | value is borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:76:33 | LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) => { - | -----^^^^^^^---------^ - | | | - | | value is mutably borrowed by `b` here + | ^^^^^ --------- value is mutably borrowed by `b` here + | | | value is borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:87:9 | LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) if { *b = U; false } => {} - | -----^^^^^^---------^ - | | | - | | value is mutably borrowed by `b` here + | ^^^^^ --------- value is mutably borrowed by `b` here + | | | value is borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:87:33 | LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) if { *b = U; false } => {} - | -----^^^^^^^---------^ - | | | - | | value is mutably borrowed by `b` here + | ^^^^^ --------- value is mutably borrowed by `b` here + | | | value is borrowed by `a` here error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:94:9 | LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) if { *a = Err(U); false } => {} - | ---------^^^^^^-----^ - | | | - | | value is borrowed by `b` here + | ^^^^^^^^^ ----- value is borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:94:33 | LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) if { *a = Err(U); false } => {} - | ---------^^^^^^^-----^ - | | | - | | value is borrowed by `b` here + | ^^^^^^^^^ ----- value is borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:101:9 | LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) if { drop(b); false } => {} - | -----^^^^^^---------^ - | | | - | | value is mutably borrowed by `b` here + | ^^^^^ --------- value is mutably borrowed by `b` here + | | | value is borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:101:33 | LL | ref a @ Ok(ref mut b) | ref a @ Err(ref mut b) if { drop(b); false } => {} - | -----^^^^^^^---------^ - | | | - | | value is mutably borrowed by `b` here + | ^^^^^ --------- value is mutably borrowed by `b` here + | | | value is borrowed by `a` here error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:109:9 | LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) if { drop(a); false } => {} - | ---------^^^^^^-----^ - | | | - | | value is borrowed by `b` here + | ^^^^^^^^^ ----- value is borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:109:33 | LL | ref mut a @ Ok(ref b) | ref mut a @ Err(ref b) if { drop(a); false } => {} - | ---------^^^^^^^-----^ - | | | - | | value is borrowed by `b` here + | ^^^^^^^^^ ----- value is borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:117:9 | LL | let ref a @ (ref mut b, ref mut c) = (U, U); - | -----^^^^---------^^---------^ - | | | | - | | | value is mutably borrowed by `c` here + | ^^^^^ --------- --------- value is mutably borrowed by `c` here + | | | | | value is mutably borrowed by `b` here | value is borrowed by `a` here @@ -222,9 +198,8 @@ error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:123:9 | LL | let ref a @ (ref mut b, ref mut c) = (U, U); - | -----^^^^---------^^---------^ - | | | | - | | | value is mutably borrowed by `c` here + | ^^^^^ --------- --------- value is mutably borrowed by `c` here + | | | | | value is mutably borrowed by `b` here | value is borrowed by `a` here @@ -232,9 +207,8 @@ error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:129:9 | LL | let ref a @ (ref mut b, ref mut c) = (U, U); - | -----^^^^---------^^---------^ - | | | | - | | | value is mutably borrowed by `c` here + | ^^^^^ --------- --------- value is mutably borrowed by `c` here + | | | | | value is mutably borrowed by `b` here | value is borrowed by `a` here @@ -242,9 +216,8 @@ error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:134:9 | LL | let ref mut a @ (ref b, ref c) = (U, U); - | ---------^^^^-----^^-----^ - | | | | - | | | value is borrowed by `c` here + | ^^^^^^^^^ ----- ----- value is borrowed by `c` here + | | | | | value is borrowed by `b` here | value is mutably borrowed by `a` here @@ -252,36 +225,32 @@ error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:22:11 | LL | fn f1(ref a @ ref mut b: U) {} - | -----^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^ --------- value is mutably borrowed by `b` here + | | | value is borrowed by `a` here error: cannot borrow value as immutable because it is also borrowed as mutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:24:11 | LL | fn f2(ref mut a @ ref b: U) {} - | ---------^^^----- - | | | - | | value is borrowed by `b` here + | ^^^^^^^^^ ----- value is borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:26:11 | LL | fn f3(ref a @ [ref b, ref mut mid @ .., ref c]: [U; 4]) {} - | -----^^^^^^^^^^^----------------^^^^^^^^ - | | | - | | value is mutably borrowed by `mid` here + | ^^^^^ ----------- value is mutably borrowed by `mid` here + | | | value is borrowed by `a` here error: cannot borrow value as mutable because it is also borrowed as immutable --> $DIR/borrowck-pat-ref-mut-and-ref.rs:28:22 | LL | fn f4_also_moved(ref a @ ref mut b @ c: U) {} - | -----^^^------------- - | | | | - | | | value is moved into `c` here + | ^^^^^ --------- - value is moved into `c` here + | | | | | value is mutably borrowed by `b` here | value is borrowed by `a` here @@ -289,9 +258,8 @@ error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-ref-mut-and-ref.rs:28:30 | LL | fn f4_also_moved(ref a @ ref mut b @ c: U) {} - | ---------^^^- - | | | - | | value is moved into `c` here + | ^^^^^^^^^ - value is moved into `c` here + | | | value is mutably borrowed by `b` here error[E0502]: cannot borrow value as immutable because it is also borrowed as mutable diff --git a/tests/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice.stderr b/tests/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice.stderr index a0cb04a064e..24189d0615c 100644 --- a/tests/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice.stderr +++ b/tests/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice.stderr @@ -2,98 +2,80 @@ error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:26:9 | LL | let ref mut a @ ref mut b = U; - | ---------^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:29:9 | LL | let ref mut a @ ref mut b = U; - | ---------^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:33:9 | LL | let ref mut a @ ref mut b = U; - | ---------^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:36:9 | LL | let ref mut a @ ref mut b = U; - | ---------^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:39:9 | LL | let ref mut a @ ref mut b = U; - | ---------^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:44:9 | -LL | let ref mut a @ ( - | ^-------- - | | - | _________value is mutably borrowed by `a` here - | | -LL | | -LL | | ref mut b, - | | --------- value is mutably borrowed by `b` here -LL | | [ -LL | | ref mut c, - | | --------- value is mutably borrowed by `c` here -LL | | ref mut d, - | | --------- value is mutably borrowed by `d` here -LL | | ref e, - | | ----- value is borrowed by `e` here -LL | | ] -LL | | ) = (U, [U, U, U]); - | |_____^ +LL | let ref mut a @ ( + | ^^^^^^^^^ value is mutably borrowed by `a` here +LL | +LL | ref mut b, + | --------- value is mutably borrowed by `b` here +LL | [ +LL | ref mut c, + | --------- value is mutably borrowed by `c` here +LL | ref mut d, + | --------- value is mutably borrowed by `d` here +LL | ref e, + | ----- value is borrowed by `e` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:54:9 | -LL | let ref mut a @ ( - | ^-------- - | | - | _________value is mutably borrowed by `a` here - | | -LL | | -LL | | ref mut b, - | | --------- value is mutably borrowed by `b` here -LL | | [ -LL | | ref mut c, - | | --------- value is mutably borrowed by `c` here -LL | | ref mut d, - | | --------- value is mutably borrowed by `d` here -LL | | ref e, - | | ----- value is borrowed by `e` here -LL | | ] -LL | | ) = (u(), [u(), u(), u()]); - | |_________^ +LL | let ref mut a @ ( + | ^^^^^^^^^ value is mutably borrowed by `a` here +LL | +LL | ref mut b, + | --------- value is mutably borrowed by `b` here +LL | [ +LL | ref mut c, + | --------- value is mutably borrowed by `c` here +LL | ref mut d, + | --------- value is mutably borrowed by `d` here +LL | ref e, + | ----- value is borrowed by `e` here error: borrow of moved value --> $DIR/borrowck-pat-ref-mut-twice.rs:64:9 | LL | let a @ (ref mut b, ref mut c) = (U, U); - | -^^^^---------^^---------^ - | | | | - | | | value borrowed here after move + | ^ --------- --------- value borrowed here after move + | | | | | value borrowed here after move | value moved into `a` here | move occurs because `a` has type `(U, U)` which does not implement the `Copy` trait @@ -107,9 +89,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-ref-mut-twice.rs:67:9 | LL | let a @ (b, [c, d]) = &mut val; // Same as ^-- - | -^^^^-^^^-^^-^^ - | | | | | - | | | | value borrowed here after move + | ^ - - - value borrowed here after move + | | | | | | | value borrowed here after move | | value borrowed here after move | value moved into `a` here @@ -124,9 +105,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-ref-mut-twice.rs:70:9 | LL | let a @ &mut ref mut b = &mut U; - | -^^^^^^^^--------- - | | | - | | value borrowed here after move + | ^ --------- value borrowed here after move + | | | value moved into `a` here | move occurs because `a` has type `&mut U` which does not implement the `Copy` trait | @@ -139,9 +119,8 @@ error: borrow of moved value --> $DIR/borrowck-pat-ref-mut-twice.rs:72:9 | LL | let a @ &mut (ref mut b, ref mut c) = &mut (U, U); - | -^^^^^^^^^---------^^---------^ - | | | | - | | | value borrowed here after move + | ^ --------- --------- value borrowed here after move + | | | | | value borrowed here after move | value moved into `a` here | move occurs because `a` has type `&mut (U, U)` which does not implement the `Copy` trait @@ -155,117 +134,99 @@ error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:76:9 | LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => { - | ---------^^^^^^---------^ - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:76:37 | LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => { - | ---------^^^^^^^---------^ - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:82:9 | LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => { - | ---------^^^^^^---------^ - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:82:37 | LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => { - | ---------^^^^^^^---------^ - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:89:9 | LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => { - | ---------^^^^^^---------^ - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:89:37 | LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => { - | ---------^^^^^^^---------^ - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:101:9 | LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => { - | ---------^^^^^^---------^ - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:101:37 | LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => { - | ---------^^^^^^^---------^ - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:8:11 | LL | fn f1(ref mut a @ ref mut b: U) {} - | ---------^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:10:11 | LL | fn f2(ref mut a @ ref mut b: U) {} - | ---------^^^--------- - | | | - | | value is mutably borrowed by `b` here + | ^^^^^^^^^ --------- value is mutably borrowed by `b` here + | | | value is mutably borrowed by `a` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:13:9 | -LL | ref mut a @ [ - | ^-------- - | | - | _________value is mutably borrowed by `a` here - | | -LL | | -LL | | [ref b @ .., _], - | | ---------- value is borrowed by `b` here -LL | | [_, ref mut mid @ ..], - | | ---------------- value is mutably borrowed by `mid` here -LL | | .., -LL | | [..], -LL | | ] : [[U; 4]; 5] - | |_________^ +LL | ref mut a @ [ + | ^^^^^^^^^ value is mutably borrowed by `a` here +LL | +LL | [ref b @ .., _], + | ----- value is borrowed by `b` here +LL | [_, ref mut mid @ ..], + | ----------- value is mutably borrowed by `mid` here error: cannot borrow value as mutable more than once at a time --> $DIR/borrowck-pat-ref-mut-twice.rs:21:22 | LL | fn f4_also_moved(ref mut a @ ref mut b @ c: U) {} - | ---------^^^------------- - | | | | - | | | value is moved into `c` here + | ^^^^^^^^^ --------- - value is moved into `c` here + | | | | | value is mutably borrowed by `b` here | value is mutably borrowed by `a` here @@ -273,9 +234,8 @@ error: cannot move out of value because it is borrowed --> $DIR/borrowck-pat-ref-mut-twice.rs:21:34 | LL | fn f4_also_moved(ref mut a @ ref mut b @ c: U) {} - | ---------^^^- - | | | - | | value is moved into `c` here + | ^^^^^^^^^ - value is moved into `c` here + | | | value is mutably borrowed by `b` here error[E0499]: cannot borrow value as mutable more than once at a time diff --git a/tests/ui/pattern/bindings-after-at/default-binding-modes-both-sides-independent.stderr b/tests/ui/pattern/bindings-after-at/default-binding-modes-both-sides-independent.stderr index 73ebbf48118..36515c1a29b 100644 --- a/tests/ui/pattern/bindings-after-at/default-binding-modes-both-sides-independent.stderr +++ b/tests/ui/pattern/bindings-after-at/default-binding-modes-both-sides-independent.stderr @@ -2,36 +2,32 @@ error: cannot move out of value because it is borrowed --> $DIR/default-binding-modes-both-sides-independent.rs:26:9 | LL | let ref a @ b = NotCopy; - | -----^^^- - | | | - | | value is moved into `b` here + | ^^^^^ - value is moved into `b` here + | | | value is borrowed by `a` here error: cannot move out of value because it is borrowed --> $DIR/default-binding-modes-both-sides-independent.rs:29:9 | LL | let ref mut a @ b = NotCopy; - | ---------^^^- - | | | - | | value is moved into `b` here + | ^^^^^^^^^ - value is moved into `b` here + | | | value is mutably borrowed by `a` here error: cannot move out of value because it is borrowed --> $DIR/default-binding-modes-both-sides-independent.rs:34:12 | LL | Ok(ref a @ b) | Err(b @ ref a) => { - | -----^^^- - | | | - | | value is moved into `b` here + | ^^^^^ - value is moved into `b` here + | | | value is borrowed by `a` here error: borrow of moved value --> $DIR/default-binding-modes-both-sides-independent.rs:34:29 | LL | Ok(ref a @ b) | Err(b @ ref a) => { - | -^^^----- - | | | - | | value borrowed here after move + | ^ ----- value borrowed here after move + | | | value moved into `b` here | move occurs because `b` has type `NotCopy` which does not implement the `Copy` trait | @@ -44,9 +40,8 @@ error: cannot move out of value because it is borrowed --> $DIR/default-binding-modes-both-sides-independent.rs:42:9 | LL | ref a @ b => { - | -----^^^- - | | | - | | value is moved into `b` here + | ^^^^^ - value is moved into `b` here + | | | value is borrowed by `a` here error[E0382]: borrow of moved value diff --git a/tests/ui/suggestions/ref-pattern-binding.stderr b/tests/ui/suggestions/ref-pattern-binding.stderr index 7b194259349..69ce5d440af 100644 --- a/tests/ui/suggestions/ref-pattern-binding.stderr +++ b/tests/ui/suggestions/ref-pattern-binding.stderr @@ -2,9 +2,8 @@ error: borrow of moved value --> $DIR/ref-pattern-binding.rs:10:9 | LL | let _moved @ ref _from = String::from("foo"); - | ------^^^--------- - | | | - | | value borrowed here after move + | ^^^^^^ --------- value borrowed here after move + | | | value moved into `_moved` here | move occurs because `_moved` has type `String` which does not implement the `Copy` trait | @@ -17,27 +16,24 @@ error: cannot move out of value because it is borrowed --> $DIR/ref-pattern-binding.rs:11:9 | LL | let ref _moved @ _from = String::from("foo"); - | ----------^^^----- - | | | - | | value is moved into `_from` here + | ^^^^^^^^^^ ----- value is moved into `_from` here + | | | value is borrowed by `_moved` here error: cannot move out of value because it is borrowed --> $DIR/ref-pattern-binding.rs:15:9 | LL | let ref _moved @ S { f } = S { f: String::from("foo") }; - | ----------^^^^^^^-^^ - | | | - | | value is moved into `f` here + | ^^^^^^^^^^ - value is moved into `f` here + | | | value is borrowed by `_moved` here error: borrow of moved value --> $DIR/ref-pattern-binding.rs:18:9 | LL | let _moved @ S { ref f } = S { f: String::from("foo") }; - | ------^^^^^^^-----^^ - | | | - | | value borrowed here after move + | ^^^^^^ ----- value borrowed here after move + | | | value moved into `_moved` here | move occurs because `_moved` has type `S` which does not implement the `Copy` trait | |