diff options
| author | Simon Sapin <simon.sapin@exyr.org> | 2018-03-23 10:57:28 +0100 |
|---|---|---|
| committer | Simon Sapin <simon.sapin@exyr.org> | 2018-03-23 11:37:07 +0100 |
| commit | ee67e14034438972c5aae46f8773fe69f20f14aa (patch) | |
| tree | 2e06620d77b1082d1a9098f4a0530cf2c758decd /src/test/ui/span | |
| parent | 52f7e8836cc2e6c0edfaf402ee40ca724a8c0989 (diff) | |
| download | rust-ee67e14034438972c5aae46f8773fe69f20f14aa.tar.gz rust-ee67e14034438972c5aae46f8773fe69f20f14aa.zip | |
Stabilize the copy_closures and clone_closures features
In addition to the `Fn*` family of traits, closures now implement `Copy` (and similarly `Clone`) if all of the captures do.
Diffstat (limited to 'src/test/ui/span')
| -rw-r--r-- | src/test/ui/span/borrowck-call-is-borrow-issue-12224.rs | 5 | ||||
| -rw-r--r-- | src/test/ui/span/borrowck-call-is-borrow-issue-12224.stderr | 8 |
2 files changed, 8 insertions, 5 deletions
diff --git a/src/test/ui/span/borrowck-call-is-borrow-issue-12224.rs b/src/test/ui/span/borrowck-call-is-borrow-issue-12224.rs index 8e03c303e54..e8227971691 100644 --- a/src/test/ui/span/borrowck-call-is-borrow-issue-12224.rs +++ b/src/test/ui/span/borrowck-call-is-borrow-issue-12224.rs @@ -58,7 +58,10 @@ fn test6() { fn test7() { fn foo<F>(_: F) where F: FnMut(Box<FnMut(isize)>, isize) {} - let mut f = |g: Box<FnMut(isize)>, b: isize| {}; + let s = String::new(); // Capture to make f !Copy + let mut f = move |g: Box<FnMut(isize)>, b: isize| { + let _ = s.len(); + }; f(Box::new(|a| { foo(f); //~^ ERROR cannot move `f` into closure because it is borrowed diff --git a/src/test/ui/span/borrowck-call-is-borrow-issue-12224.stderr b/src/test/ui/span/borrowck-call-is-borrow-issue-12224.stderr index 318b77dedcb..2e7e1e07441 100644 --- a/src/test/ui/span/borrowck-call-is-borrow-issue-12224.stderr +++ b/src/test/ui/span/borrowck-call-is-borrow-issue-12224.stderr @@ -28,7 +28,7 @@ LL | f.f.call_mut(()) | ^^^ cannot borrow as mutable error[E0504]: cannot move `f` into closure because it is borrowed - --> $DIR/borrowck-call-is-borrow-issue-12224.rs:63:13 + --> $DIR/borrowck-call-is-borrow-issue-12224.rs:66:13 | LL | f(Box::new(|a| { | - borrow of `f` occurs here @@ -36,11 +36,11 @@ LL | foo(f); | ^ move into closure occurs here error[E0507]: cannot move out of captured outer variable in an `FnMut` closure - --> $DIR/borrowck-call-is-borrow-issue-12224.rs:63:13 + --> $DIR/borrowck-call-is-borrow-issue-12224.rs:66:13 | -LL | let mut f = |g: Box<FnMut(isize)>, b: isize| {}; +LL | let mut f = move |g: Box<FnMut(isize)>, b: isize| { | ----- captured outer variable -LL | f(Box::new(|a| { +... LL | foo(f); | ^ cannot move out of captured outer variable in an `FnMut` closure |