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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 02:49:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 02:49:50 +0000 |
commit | 9835e2ae736235810b4ea1c162ca5e65c547e770 (patch) | |
tree | 3fcebf40ed70e581d776a8a4c65923e8ec20e026 /src/tools/clippy/tests/ui/let_with_type_underscore.rs | |
parent | Releasing progress-linux version 1.70.0+dfsg2-1~progress7.99u1. (diff) | |
download | rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.tar.xz rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.zip |
Merging upstream version 1.71.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/clippy/tests/ui/let_with_type_underscore.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/let_with_type_underscore.rs | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/src/tools/clippy/tests/ui/let_with_type_underscore.rs b/src/tools/clippy/tests/ui/let_with_type_underscore.rs index 175718b94..ae1a480bc 100644 --- a/src/tools/clippy/tests/ui/let_with_type_underscore.rs +++ b/src/tools/clippy/tests/ui/let_with_type_underscore.rs @@ -1,19 +1,42 @@ +//@aux-build: proc_macros.rs #![allow(unused)] #![warn(clippy::let_with_type_underscore)] -#![allow(clippy::let_unit_value)] +#![allow(clippy::let_unit_value, clippy::needless_late_init)] + +extern crate proc_macros; fn func() -> &'static str { "" } +#[rustfmt::skip] fn main() { // Will lint let x: _ = 1; let _: _ = 2; let x: _ = func(); + let x: _; + x = (); - let x = 1; // Will not lint, Rust inferres this to an integer before Clippy + let x = 1; // Will not lint, Rust infers this to an integer before Clippy let x = func(); let x: Vec<_> = Vec::<u32>::new(); let x: [_; 1] = [1]; + let x : _ = 1; + + // Do not lint from procedural macros + proc_macros::with_span! { + span + let x: _ = (); + // Late initialization + let x: _; + x = (); + // Ensure weird formatting will not break it (hopefully) + let x : _ = 1; + let x +: _ = 1; + let x : + _; + x = (); + }; } |