diff options
Diffstat (limited to 'src/tools')
| -rw-r--r-- | src/tools/clippy/clippy_lints/src/entry.rs | 33 | ||||
| -rw-r--r-- | src/tools/clippy/clippy_lints/src/matches/manual_ok_err.rs | 2 | ||||
| -rw-r--r-- | src/tools/clippy/clippy_lints/src/ptr.rs | 35 | ||||
| -rw-r--r-- | src/tools/clippy/tests/ui/entry.fixed | 22 | ||||
| -rw-r--r-- | src/tools/clippy/tests/ui/entry.rs | 22 | ||||
| -rw-r--r-- | src/tools/clippy/tests/ui/manual_ok_err.fixed | 5 | ||||
| -rw-r--r-- | src/tools/clippy/tests/ui/manual_ok_err.rs | 5 | ||||
| -rw-r--r-- | src/tools/clippy/tests/ui/manual_ok_err.stderr | 2 | ||||
| -rw-r--r-- | src/tools/clippy/tests/ui/ptr_eq.fixed | 31 | ||||
| -rw-r--r-- | src/tools/clippy/tests/ui/ptr_eq.rs | 21 | ||||
| -rw-r--r-- | src/tools/clippy/tests/ui/ptr_eq.stderr | 40 | ||||
| -rw-r--r-- | src/tools/clippy/tests/ui/ptr_eq_no_std.fixed | 20 | ||||
| -rw-r--r-- | src/tools/clippy/tests/ui/ptr_eq_no_std.rs | 12 | ||||
| -rw-r--r-- | src/tools/clippy/tests/ui/ptr_eq_no_std.stderr | 26 |
14 files changed, 158 insertions, 118 deletions
diff --git a/src/tools/clippy/clippy_lints/src/entry.rs b/src/tools/clippy/clippy_lints/src/entry.rs index dcfee0b6d3c..182cb4e46d2 100644 --- a/src/tools/clippy/clippy_lints/src/entry.rs +++ b/src/tools/clippy/clippy_lints/src/entry.rs @@ -95,14 +95,13 @@ impl<'tcx> LateLintPass<'tcx> for HashMapPass { return; }; - if then_search.is_key_used_and_no_copy || else_search.is_key_used_and_no_copy { - span_lint(cx, MAP_ENTRY, expr.span, lint_msg); - return; - } - if then_search.edits.is_empty() && else_search.edits.is_empty() { // No insertions return; + } else if then_search.is_key_used_and_no_copy || else_search.is_key_used_and_no_copy { + // If there are other uses of the key, and the key is not copy, + // we cannot perform a fix automatically, but continue to emit a lint. + None } else if then_search.edits.is_empty() || else_search.edits.is_empty() { // if .. { insert } else { .. } or if .. { .. } else { insert } let ((then_str, entry_kind), else_str) = match (else_search.edits.is_empty(), contains_expr.negated) { @@ -123,10 +122,10 @@ impl<'tcx> LateLintPass<'tcx> for HashMapPass { snippet_with_applicability(cx, then_expr.span, "{ .. }", &mut app), ), }; - format!( + Some(format!( "if let {}::{entry_kind} = {map_str}.entry({key_str}) {then_str} else {else_str}", map_ty.entry_path(), - ) + )) } else { // if .. { insert } else { insert } let ((then_str, then_entry), (else_str, else_entry)) = if contains_expr.negated { @@ -142,13 +141,13 @@ impl<'tcx> LateLintPass<'tcx> for HashMapPass { }; let indent_str = snippet_indent(cx, expr.span); let indent_str = indent_str.as_deref().unwrap_or(""); - format!( + Some(format!( "match {map_str}.entry({key_str}) {{\n{indent_str} {entry}::{then_entry} => {}\n\ {indent_str} {entry}::{else_entry} => {}\n{indent_str}}}", reindent_multiline(&then_str, true, Some(4 + indent_str.len())), reindent_multiline(&else_str, true, Some(4 + indent_str.len())), entry = map_ty.entry_path(), - ) + )) } } else { if then_search.edits.is_empty() { @@ -163,17 +162,17 @@ impl<'tcx> LateLintPass<'tcx> for HashMapPass { } else { then_search.snippet_occupied(cx, then_expr.span, &mut app) }; - format!( + Some(format!( "if let {}::{entry_kind} = {map_str}.entry({key_str}) {body_str}", map_ty.entry_path(), - ) + )) } else if let Some(insertion) = then_search.as_single_insertion() { let value_str = snippet_with_context(cx, insertion.value.span, then_expr.span.ctxt(), "..", &mut app).0; if contains_expr.negated { if insertion.value.can_have_side_effects() { - format!("{map_str}.entry({key_str}).or_insert_with(|| {value_str});") + Some(format!("{map_str}.entry({key_str}).or_insert_with(|| {value_str});")) } else { - format!("{map_str}.entry({key_str}).or_insert({value_str});") + Some(format!("{map_str}.entry({key_str}).or_insert({value_str});")) } } else { // TODO: suggest using `if let Some(v) = map.get_mut(k) { .. }` here. @@ -183,7 +182,7 @@ impl<'tcx> LateLintPass<'tcx> for HashMapPass { } else { let block_str = then_search.snippet_closure(cx, then_expr.span, &mut app); if contains_expr.negated { - format!("{map_str}.entry({key_str}).or_insert_with(|| {block_str});") + Some(format!("{map_str}.entry({key_str}).or_insert_with(|| {block_str});")) } else { // TODO: suggest using `if let Some(v) = map.get_mut(k) { .. }` here. // This would need to be a different lint. @@ -192,7 +191,11 @@ impl<'tcx> LateLintPass<'tcx> for HashMapPass { } }; - span_lint_and_sugg(cx, MAP_ENTRY, expr.span, lint_msg, "try", sugg, app); + if let Some(sugg) = sugg { + span_lint_and_sugg(cx, MAP_ENTRY, expr.span, lint_msg, "try", sugg, app); + } else { + span_lint(cx, MAP_ENTRY, expr.span, lint_msg); + } } } diff --git a/src/tools/clippy/clippy_lints/src/matches/manual_ok_err.rs b/src/tools/clippy/clippy_lints/src/matches/manual_ok_err.rs index 576e42a564c..026b00e3aa2 100644 --- a/src/tools/clippy/clippy_lints/src/matches/manual_ok_err.rs +++ b/src/tools/clippy/clippy_lints/src/matches/manual_ok_err.rs @@ -85,7 +85,7 @@ fn is_variant_or_wildcard(cx: &LateContext<'_>, pat: &Pat<'_>, can_be_wild: bool /// contains `Err(IDENT)`, `None` otherwise. fn is_ok_or_err<'hir>(cx: &LateContext<'_>, pat: &Pat<'hir>) -> Option<(bool, &'hir Ident)> { if let PatKind::TupleStruct(qpath, [arg], _) = &pat.kind - && let PatKind::Binding(BindingMode::NONE, _, ident, _) = &arg.kind + && let PatKind::Binding(BindingMode::NONE, _, ident, None) = &arg.kind && let res = cx.qpath_res(qpath, pat.hir_id) && let Res::Def(DefKind::Ctor(..), id) = res && let id @ Some(_) = cx.tcx.opt_parent(id) diff --git a/src/tools/clippy/clippy_lints/src/ptr.rs b/src/tools/clippy/clippy_lints/src/ptr.rs index 55f1ece0559..596f1e3471f 100644 --- a/src/tools/clippy/clippy_lints/src/ptr.rs +++ b/src/tools/clippy/clippy_lints/src/ptr.rs @@ -786,9 +786,9 @@ fn check_ptr_eq<'tcx>( } // Remove one level of usize conversion if any - let (left, right) = match (expr_as_cast_to_usize(cx, left), expr_as_cast_to_usize(cx, right)) { - (Some(lhs), Some(rhs)) => (lhs, rhs), - _ => (left, right), + let (left, right, usize_peeled) = match (expr_as_cast_to_usize(cx, left), expr_as_cast_to_usize(cx, right)) { + (Some(lhs), Some(rhs)) => (lhs, rhs, true), + _ => (left, right, false), }; // This lint concerns raw pointers @@ -797,10 +797,16 @@ fn check_ptr_eq<'tcx>( return; } - let (left_var, right_var) = (peel_raw_casts(cx, left, left_ty), peel_raw_casts(cx, right, right_ty)); + let ((left_var, left_casts_peeled), (right_var, right_casts_peeled)) = + (peel_raw_casts(cx, left, left_ty), peel_raw_casts(cx, right, right_ty)); - if let Some(left_snip) = left_var.span.get_source_text(cx) - && let Some(right_snip) = right_var.span.get_source_text(cx) + if !(usize_peeled || left_casts_peeled || right_casts_peeled) { + return; + } + + let mut app = Applicability::MachineApplicable; + let left_snip = Sugg::hir_with_context(cx, left_var, expr.span.ctxt(), "_", &mut app); + let right_snip = Sugg::hir_with_context(cx, right_var, expr.span.ctxt(), "_", &mut app); { let Some(top_crate) = std_or_core(cx) else { return }; let invert = if op == BinOpKind::Eq { "" } else { "!" }; @@ -811,7 +817,7 @@ fn check_ptr_eq<'tcx>( format!("use `{top_crate}::ptr::eq` when comparing raw pointers"), "try", format!("{invert}{top_crate}::ptr::eq({left_snip}, {right_snip})"), - Applicability::MachineApplicable, + app, ); } } @@ -819,7 +825,8 @@ fn check_ptr_eq<'tcx>( // If the given expression is a cast to a usize, return the lhs of the cast // E.g., `foo as *const _ as usize` returns `foo as *const _`. fn expr_as_cast_to_usize<'tcx>(cx: &LateContext<'tcx>, cast_expr: &'tcx Expr<'_>) -> Option<&'tcx Expr<'tcx>> { - if cx.typeck_results().expr_ty(cast_expr) == cx.tcx.types.usize + if !cast_expr.span.from_expansion() + && cx.typeck_results().expr_ty(cast_expr) == cx.tcx.types.usize && let ExprKind::Cast(expr, _) = cast_expr.kind { Some(expr) @@ -828,16 +835,18 @@ fn expr_as_cast_to_usize<'tcx>(cx: &LateContext<'tcx>, cast_expr: &'tcx Expr<'_> } } -// Peel raw casts if the remaining expression can be coerced to it -fn peel_raw_casts<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, expr_ty: Ty<'tcx>) -> &'tcx Expr<'tcx> { - if let ExprKind::Cast(inner, _) = expr.kind +// Peel raw casts if the remaining expression can be coerced to it, and whether casts have been +// peeled or not. +fn peel_raw_casts<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, expr_ty: Ty<'tcx>) -> (&'tcx Expr<'tcx>, bool) { + if !expr.span.from_expansion() + && let ExprKind::Cast(inner, _) = expr.kind && let ty::RawPtr(target_ty, _) = expr_ty.kind() && let inner_ty = cx.typeck_results().expr_ty(inner) && let ty::RawPtr(inner_target_ty, _) | ty::Ref(_, inner_target_ty, _) = inner_ty.kind() && target_ty == inner_target_ty { - peel_raw_casts(cx, inner, inner_ty) + (peel_raw_casts(cx, inner, inner_ty).0, true) } else { - expr + (expr, false) } } diff --git a/src/tools/clippy/tests/ui/entry.fixed b/src/tools/clippy/tests/ui/entry.fixed index 69452a8d9a6..f2df9f0204e 100644 --- a/src/tools/clippy/tests/ui/entry.fixed +++ b/src/tools/clippy/tests/ui/entry.fixed @@ -226,4 +226,26 @@ fn issue11976() { } } +mod issue14449 { + use std::collections::BTreeMap; + + pub struct Meow { + map: BTreeMap<String, String>, + } + + impl Meow { + fn pet(&self, _key: &str, _v: u32) -> u32 { + 42 + } + } + + pub fn f(meow: &Meow, x: String) { + if meow.map.contains_key(&x) { + let _ = meow.pet(&x, 1); + } else { + let _ = meow.pet(&x, 0); + } + } +} + fn main() {} diff --git a/src/tools/clippy/tests/ui/entry.rs b/src/tools/clippy/tests/ui/entry.rs index 3578324f01c..166eea417ac 100644 --- a/src/tools/clippy/tests/ui/entry.rs +++ b/src/tools/clippy/tests/ui/entry.rs @@ -232,4 +232,26 @@ fn issue11976() { } } +mod issue14449 { + use std::collections::BTreeMap; + + pub struct Meow { + map: BTreeMap<String, String>, + } + + impl Meow { + fn pet(&self, _key: &str, _v: u32) -> u32 { + 42 + } + } + + pub fn f(meow: &Meow, x: String) { + if meow.map.contains_key(&x) { + let _ = meow.pet(&x, 1); + } else { + let _ = meow.pet(&x, 0); + } + } +} + fn main() {} diff --git a/src/tools/clippy/tests/ui/manual_ok_err.fixed b/src/tools/clippy/tests/ui/manual_ok_err.fixed index bc169b64be9..e6f799aa58d 100644 --- a/src/tools/clippy/tests/ui/manual_ok_err.fixed +++ b/src/tools/clippy/tests/ui/manual_ok_err.fixed @@ -80,6 +80,11 @@ fn no_lint() { Ok(3) => None, Ok(v) => Some(v), }; + + let _ = match funcall() { + Ok(v @ 1..) => Some(v), + _ => None, + }; } const fn cf(x: Result<u32, &'static str>) -> Option<u32> { diff --git a/src/tools/clippy/tests/ui/manual_ok_err.rs b/src/tools/clippy/tests/ui/manual_ok_err.rs index 03c730d4b4e..972b2c41ee7 100644 --- a/src/tools/clippy/tests/ui/manual_ok_err.rs +++ b/src/tools/clippy/tests/ui/manual_ok_err.rs @@ -116,6 +116,11 @@ fn no_lint() { Ok(3) => None, Ok(v) => Some(v), }; + + let _ = match funcall() { + Ok(v @ 1..) => Some(v), + _ => None, + }; } const fn cf(x: Result<u32, &'static str>) -> Option<u32> { diff --git a/src/tools/clippy/tests/ui/manual_ok_err.stderr b/src/tools/clippy/tests/ui/manual_ok_err.stderr index 13fceacda10..040e170f397 100644 --- a/src/tools/clippy/tests/ui/manual_ok_err.stderr +++ b/src/tools/clippy/tests/ui/manual_ok_err.stderr @@ -94,7 +94,7 @@ LL | | }; | |_____^ help: replace with: `(-S).ok()` error: manual implementation of `ok` - --> tests/ui/manual_ok_err.rs:132:12 + --> tests/ui/manual_ok_err.rs:137:12 | LL | } else if let Ok(n) = "1".parse::<u8>() { | ____________^ diff --git a/src/tools/clippy/tests/ui/ptr_eq.fixed b/src/tools/clippy/tests/ui/ptr_eq.fixed index df6305ed497..f0150e6784b 100644 --- a/src/tools/clippy/tests/ui/ptr_eq.fixed +++ b/src/tools/clippy/tests/ui/ptr_eq.fixed @@ -4,6 +4,9 @@ macro_rules! mac { ($a:expr, $b:expr) => { $a as *const _ as usize == $b as *const _ as usize }; + (cast $a:expr) => { + $a as *const [i32; 3] + }; } macro_rules! another_mac { @@ -20,23 +23,25 @@ fn main() { //~^ ptr_eq let _ = std::ptr::eq(a, b); //~^ ptr_eq - let _ = std::ptr::eq(a.as_ptr(), b as *const _); - //~^ ptr_eq - let _ = std::ptr::eq(a.as_ptr(), b.as_ptr()); - //~^ ptr_eq - // Do not lint + // Do not lint: the rhs conversion is needed + let _ = a.as_ptr() == b as *const _; + + // Do not lint: we have two raw pointers already + let _ = a.as_ptr() == b.as_ptr(); + // Do not lint let _ = mac!(a, b); let _ = another_mac!(a, b); let a = &mut [1, 2, 3]; let b = &mut [1, 2, 3]; - let _ = std::ptr::eq(a.as_mut_ptr(), b as *mut [i32] as *mut _); - //~^ ptr_eq - let _ = std::ptr::eq(a.as_mut_ptr(), b.as_mut_ptr()); - //~^ ptr_eq + // Do not lint: the rhs conversion is needed + let _ = a.as_mut_ptr() == b as *mut [i32] as *mut _; + + // Do not lint: we have two raw pointers already + let _ = a.as_mut_ptr() == b.as_mut_ptr(); let _ = a == b; let _ = core::ptr::eq(a, b); @@ -48,7 +53,11 @@ fn main() { let _ = !std::ptr::eq(x, y); //~^ ptr_eq - #[allow(clippy::eq_op)] - let _issue14337 = std::ptr::eq(main as *const (), main as *const ()); + #[expect(clippy::eq_op)] + // Do not lint: casts are needed to not change type + let _issue14337 = main as *const () == main as *const (); + + // Do not peel the content of macros + let _ = std::ptr::eq(mac!(cast a), mac!(cast b)); //~^ ptr_eq } diff --git a/src/tools/clippy/tests/ui/ptr_eq.rs b/src/tools/clippy/tests/ui/ptr_eq.rs index 0ed0ff0d137..3fb89257cf1 100644 --- a/src/tools/clippy/tests/ui/ptr_eq.rs +++ b/src/tools/clippy/tests/ui/ptr_eq.rs @@ -4,6 +4,9 @@ macro_rules! mac { ($a:expr, $b:expr) => { $a as *const _ as usize == $b as *const _ as usize }; + (cast $a:expr) => { + $a as *const [i32; 3] + }; } macro_rules! another_mac { @@ -20,23 +23,25 @@ fn main() { //~^ ptr_eq let _ = a as *const _ == b as *const _; //~^ ptr_eq + + // Do not lint: the rhs conversion is needed let _ = a.as_ptr() == b as *const _; - //~^ ptr_eq + + // Do not lint: we have two raw pointers already let _ = a.as_ptr() == b.as_ptr(); - //~^ ptr_eq // Do not lint - let _ = mac!(a, b); let _ = another_mac!(a, b); let a = &mut [1, 2, 3]; let b = &mut [1, 2, 3]; + // Do not lint: the rhs conversion is needed let _ = a.as_mut_ptr() == b as *mut [i32] as *mut _; - //~^ ptr_eq + + // Do not lint: we have two raw pointers already let _ = a.as_mut_ptr() == b.as_mut_ptr(); - //~^ ptr_eq let _ = a == b; let _ = core::ptr::eq(a, b); @@ -48,7 +53,11 @@ fn main() { let _ = x as *const u32 != y as *mut u32 as *const u32; //~^ ptr_eq - #[allow(clippy::eq_op)] + #[expect(clippy::eq_op)] + // Do not lint: casts are needed to not change type let _issue14337 = main as *const () == main as *const (); + + // Do not peel the content of macros + let _ = mac!(cast a) as *const _ == mac!(cast b) as *const _; //~^ ptr_eq } diff --git a/src/tools/clippy/tests/ui/ptr_eq.stderr b/src/tools/clippy/tests/ui/ptr_eq.stderr index 33190df284a..f613e164b87 100644 --- a/src/tools/clippy/tests/ui/ptr_eq.stderr +++ b/src/tools/clippy/tests/ui/ptr_eq.stderr @@ -1,5 +1,5 @@ error: use `std::ptr::eq` when comparing raw pointers - --> tests/ui/ptr_eq.rs:19:13 + --> tests/ui/ptr_eq.rs:22:13 | LL | let _ = a as *const _ as usize == b as *const _ as usize; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::ptr::eq(a, b)` @@ -8,52 +8,28 @@ LL | let _ = a as *const _ as usize == b as *const _ as usize; = help: to override `-D warnings` add `#[allow(clippy::ptr_eq)]` error: use `std::ptr::eq` when comparing raw pointers - --> tests/ui/ptr_eq.rs:21:13 + --> tests/ui/ptr_eq.rs:24:13 | LL | let _ = a as *const _ == b as *const _; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::ptr::eq(a, b)` error: use `std::ptr::eq` when comparing raw pointers - --> tests/ui/ptr_eq.rs:23:13 - | -LL | let _ = a.as_ptr() == b as *const _; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::ptr::eq(a.as_ptr(), b as *const _)` - -error: use `std::ptr::eq` when comparing raw pointers - --> tests/ui/ptr_eq.rs:25:13 - | -LL | let _ = a.as_ptr() == b.as_ptr(); - | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::ptr::eq(a.as_ptr(), b.as_ptr())` - -error: use `std::ptr::eq` when comparing raw pointers - --> tests/ui/ptr_eq.rs:36:13 - | -LL | let _ = a.as_mut_ptr() == b as *mut [i32] as *mut _; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::ptr::eq(a.as_mut_ptr(), b as *mut [i32] as *mut _)` - -error: use `std::ptr::eq` when comparing raw pointers - --> tests/ui/ptr_eq.rs:38:13 - | -LL | let _ = a.as_mut_ptr() == b.as_mut_ptr(); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::ptr::eq(a.as_mut_ptr(), b.as_mut_ptr())` - -error: use `std::ptr::eq` when comparing raw pointers - --> tests/ui/ptr_eq.rs:45:13 + --> tests/ui/ptr_eq.rs:50:13 | LL | let _ = x as *const u32 == y as *mut u32 as *const u32; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::ptr::eq(x, y)` error: use `std::ptr::eq` when comparing raw pointers - --> tests/ui/ptr_eq.rs:48:13 + --> tests/ui/ptr_eq.rs:53:13 | LL | let _ = x as *const u32 != y as *mut u32 as *const u32; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!std::ptr::eq(x, y)` error: use `std::ptr::eq` when comparing raw pointers - --> tests/ui/ptr_eq.rs:52:23 + --> tests/ui/ptr_eq.rs:61:13 | -LL | let _issue14337 = main as *const () == main as *const (); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::ptr::eq(main as *const (), main as *const ())` +LL | let _ = mac!(cast a) as *const _ == mac!(cast b) as *const _; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::ptr::eq(mac!(cast a), mac!(cast b))` -error: aborting due to 9 previous errors +error: aborting due to 5 previous errors diff --git a/src/tools/clippy/tests/ui/ptr_eq_no_std.fixed b/src/tools/clippy/tests/ui/ptr_eq_no_std.fixed index d8ee4ea88f8..48cbad62e1a 100644 --- a/src/tools/clippy/tests/ui/ptr_eq_no_std.fixed +++ b/src/tools/clippy/tests/ui/ptr_eq_no_std.fixed @@ -32,23 +32,25 @@ fn main() { //~^ ptr_eq let _ = core::ptr::eq(a, b); //~^ ptr_eq - let _ = core::ptr::eq(a.as_ptr(), b as *const _); - //~^ ptr_eq - let _ = core::ptr::eq(a.as_ptr(), b.as_ptr()); - //~^ ptr_eq - // Do not lint + // Do not lint: the rhs conversion is needed + let _ = a.as_ptr() == b as *const _; + + // Do not lint: we have two raw pointers already + let _ = a.as_ptr() == b.as_ptr(); + // Do not lint let _ = mac!(a, b); let _ = another_mac!(a, b); let a = &mut [1, 2, 3]; let b = &mut [1, 2, 3]; - let _ = core::ptr::eq(a.as_mut_ptr(), b as *mut [i32] as *mut _); - //~^ ptr_eq - let _ = core::ptr::eq(a.as_mut_ptr(), b.as_mut_ptr()); - //~^ ptr_eq + // Do not lint: the rhs conversion is needed + let _ = a.as_mut_ptr() == b as *mut [i32] as *mut _; + + // Do not lint: we have two raw pointers already + let _ = a.as_mut_ptr() == b.as_mut_ptr(); let _ = a == b; let _ = core::ptr::eq(a, b); diff --git a/src/tools/clippy/tests/ui/ptr_eq_no_std.rs b/src/tools/clippy/tests/ui/ptr_eq_no_std.rs index a236314c29b..3827178640e 100644 --- a/src/tools/clippy/tests/ui/ptr_eq_no_std.rs +++ b/src/tools/clippy/tests/ui/ptr_eq_no_std.rs @@ -32,23 +32,25 @@ fn main() { //~^ ptr_eq let _ = a as *const _ == b as *const _; //~^ ptr_eq + + // Do not lint: the rhs conversion is needed let _ = a.as_ptr() == b as *const _; - //~^ ptr_eq + + // Do not lint: we have two raw pointers already let _ = a.as_ptr() == b.as_ptr(); - //~^ ptr_eq // Do not lint - let _ = mac!(a, b); let _ = another_mac!(a, b); let a = &mut [1, 2, 3]; let b = &mut [1, 2, 3]; + // Do not lint: the rhs conversion is needed let _ = a.as_mut_ptr() == b as *mut [i32] as *mut _; - //~^ ptr_eq + + // Do not lint: we have two raw pointers already let _ = a.as_mut_ptr() == b.as_mut_ptr(); - //~^ ptr_eq let _ = a == b; let _ = core::ptr::eq(a, b); diff --git a/src/tools/clippy/tests/ui/ptr_eq_no_std.stderr b/src/tools/clippy/tests/ui/ptr_eq_no_std.stderr index 5b8135dc8e8..8c7b1ff7666 100644 --- a/src/tools/clippy/tests/ui/ptr_eq_no_std.stderr +++ b/src/tools/clippy/tests/ui/ptr_eq_no_std.stderr @@ -13,29 +13,5 @@ error: use `core::ptr::eq` when comparing raw pointers LL | let _ = a as *const _ == b as *const _; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `core::ptr::eq(a, b)` -error: use `core::ptr::eq` when comparing raw pointers - --> tests/ui/ptr_eq_no_std.rs:35:13 - | -LL | let _ = a.as_ptr() == b as *const _; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `core::ptr::eq(a.as_ptr(), b as *const _)` - -error: use `core::ptr::eq` when comparing raw pointers - --> tests/ui/ptr_eq_no_std.rs:37:13 - | -LL | let _ = a.as_ptr() == b.as_ptr(); - | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `core::ptr::eq(a.as_ptr(), b.as_ptr())` - -error: use `core::ptr::eq` when comparing raw pointers - --> tests/ui/ptr_eq_no_std.rs:48:13 - | -LL | let _ = a.as_mut_ptr() == b as *mut [i32] as *mut _; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `core::ptr::eq(a.as_mut_ptr(), b as *mut [i32] as *mut _)` - -error: use `core::ptr::eq` when comparing raw pointers - --> tests/ui/ptr_eq_no_std.rs:50:13 - | -LL | let _ = a.as_mut_ptr() == b.as_mut_ptr(); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `core::ptr::eq(a.as_mut_ptr(), b.as_mut_ptr())` - -error: aborting due to 6 previous errors +error: aborting due to 2 previous errors |
