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Auto merge of #10659 - timvisee:fix-size-of-val, r=Manishearth

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Suggest `std::mem::size_of_val` instead of `std::mem::size_of_value`

This fixes the incorrect suggestion to use `std::mem::size_of_value`. It should be [`std::mem::size_of_val`](https://doc.rust-lang.org/std/mem/fn.size_of_val.html).

changelog: [`manual_slice_size_calculation`]: suggest `std::mem::size_of_val` rather than `std::mem::size_of_value`
This commit is contained in:
bors 2023-04-17 16:16:52 +00:00
commit e57deaace5
2 changed files with 8 additions and 8 deletions
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4
clippy_lints/src/manual_slice_size_calculation.rs
View file

@ -38,7 +38,7 @@ declare_lint_pass!(ManualSliceSizeCalculation => [MANUAL_SLICE_SIZE_CALCULATION]
impl<'tcx> LateLintPass<'tcx> for ManualSliceSizeCalculation {
fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) {
// Does not apply inside const because size_of_value is not cost in stable.
// Does not apply inside const because size_of_val is not cost in stable.
if !in_constant(cx, expr.hir_id)
&& let ExprKind::Binary(ref op, left, right) = expr.kind
&& BinOpKind::Mul == op.node
@ -50,7 +50,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualSliceSizeCalculation {
expr.span,
"manual slice size calculation",
None,
"consider using std::mem::size_of_value instead");
"consider using std::mem::size_of_val instead");
}
}
}

12
tests/ui/manual_slice_size_calculation.stderr
View file

@ -4,7 +4,7 @@ error: manual slice size calculation
LL | let _ = s_i32.len() * size_of::<i32>(); // WARNING
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: consider using std::mem::size_of_value instead
= help: consider using std::mem::size_of_val instead
= note: `-D clippy::manual-slice-size-calculation` implied by `-D warnings`
error: manual slice size calculation
@ -13,7 +13,7 @@ error: manual slice size calculation
LL | let _ = size_of::<i32>() * s_i32.len(); // WARNING
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: consider using std::mem::size_of_value instead
= help: consider using std::mem::size_of_val instead
error: manual slice size calculation
--> $DIR/manual_slice_size_calculation.rs:13:13
@ -21,7 +21,7 @@ error: manual slice size calculation
LL | let _ = size_of::<i32>() * s_i32.len() * 5; // WARNING
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: consider using std::mem::size_of_value instead
= help: consider using std::mem::size_of_val instead
error: manual slice size calculation
--> $DIR/manual_slice_size_calculation.rs:17:13
@ -29,7 +29,7 @@ error: manual slice size calculation
LL | let _ = len * size_of::<i32>(); // WARNING
| ^^^^^^^^^^^^^^^^^^^^^^
|
= help: consider using std::mem::size_of_value instead
= help: consider using std::mem::size_of_val instead
error: manual slice size calculation
--> $DIR/manual_slice_size_calculation.rs:18:13
@ -37,7 +37,7 @@ error: manual slice size calculation
LL | let _ = s_i32.len() * size; // WARNING
| ^^^^^^^^^^^^^^^^^^
|
= help: consider using std::mem::size_of_value instead
= help: consider using std::mem::size_of_val instead
error: manual slice size calculation
--> $DIR/manual_slice_size_calculation.rs:19:13
@ -45,7 +45,7 @@ error: manual slice size calculation
LL | let _ = len * size; // WARNING
| ^^^^^^^^^^
|
= help: consider using std::mem::size_of_value instead
= help: consider using std::mem::size_of_val instead
error: aborting due to 6 previous errors