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| author | Jules Bertholet <julesbertholet@quoi.xyz> | 2024-04-05 23:28:34 -0400 |
|---|---|---|
| committer | Jules Bertholet <julesbertholet@quoi.xyz> | 2024-04-15 23:27:19 -0400 |
| commit | 83f330fbd45be04a693e89e9602f0ab2ffab16e2 (patch) | |
| tree | 5459ed032209310ea53f6a3f0c5d8343fc150266 /tests/ui/pattern | |
| parent | ef1d084c0b5b0ff7143bbca966442cd24151313b (diff) | |
| download | rust-83f330fbd45be04a693e89e9602f0ab2ffab16e2.tar.gz rust-83f330fbd45be04a693e89e9602f0ab2ffab16e2.zip | |
Migration lint
Rustfix remains TODO
Diffstat (limited to 'tests/ui/pattern')
| -rw-r--r-- | tests/ui/pattern/mut_dont_reset_binding_mode_2024_lint.rs | 18 | ||||
| -rw-r--r-- | tests/ui/pattern/mut_dont_reset_binding_mode_2024_lint.stderr | 35 |
2 files changed, 53 insertions, 0 deletions
diff --git a/tests/ui/pattern/mut_dont_reset_binding_mode_2024_lint.rs b/tests/ui/pattern/mut_dont_reset_binding_mode_2024_lint.rs new file mode 100644 index 00000000000..2992e61fbbc --- /dev/null +++ b/tests/ui/pattern/mut_dont_reset_binding_mode_2024_lint.rs @@ -0,0 +1,18 @@ +//@ edition: 2021 +#![feature(mut_dont_reset_binding_mode_2024)] +#![allow(unused)] +#![forbid(dereferencing_mut_binding)] + +struct Foo(u8); + +fn main() { + let Foo(mut a) = &Foo(0); + //~^ ERROR: dereferencing `mut` binding + //~| WARN: this changes meaning in Rust 2024 + a = 42; + + let Foo(mut a) = &mut Foo(0); + //~^ ERROR: dereferencing `mut` binding + //~| WARN: this changes meaning in Rust 2024 + a = 42; +} diff --git a/tests/ui/pattern/mut_dont_reset_binding_mode_2024_lint.stderr b/tests/ui/pattern/mut_dont_reset_binding_mode_2024_lint.stderr new file mode 100644 index 00000000000..72b72f0df5d --- /dev/null +++ b/tests/ui/pattern/mut_dont_reset_binding_mode_2024_lint.stderr @@ -0,0 +1,35 @@ +error: dereferencing `mut` binding + --> $DIR/mut_dont_reset_binding_mode_2024_lint.rs:9:13 + | +LL | let Foo(mut a) = &Foo(0); + | ^^^^^ `mut` dereferences the type of this binding + | + = warning: this changes meaning in Rust 2024 + = note: for more information, see 123076 +help: this will change in edition 2024 + --> $DIR/mut_dont_reset_binding_mode_2024_lint.rs:9:13 + | +LL | let Foo(mut a) = &Foo(0); + | ^^^^^ +note: the lint level is defined here + --> $DIR/mut_dont_reset_binding_mode_2024_lint.rs:4:11 + | +LL | #![forbid(dereferencing_mut_binding)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: dereferencing `mut` binding + --> $DIR/mut_dont_reset_binding_mode_2024_lint.rs:14:13 + | +LL | let Foo(mut a) = &mut Foo(0); + | ^^^^^ `mut` dereferences the type of this binding + | + = warning: this changes meaning in Rust 2024 + = note: for more information, see 123076 +help: this will change in edition 2024 + --> $DIR/mut_dont_reset_binding_mode_2024_lint.rs:14:13 + | +LL | let Foo(mut a) = &mut Foo(0); + | ^^^^^ + +error: aborting due to 2 previous errors + |