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Diffstat (limited to '')
-rw-r--r-- | src/tools/clippy/tests/ui/needless_update.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/needless_update.rs b/src/tools/clippy/tests/ui/needless_update.rs new file mode 100644 index 000000000..b93ff048a --- /dev/null +++ b/src/tools/clippy/tests/ui/needless_update.rs @@ -0,0 +1,25 @@ +#![warn(clippy::needless_update)] +#![allow(clippy::no_effect)] + +struct S { + pub a: i32, + pub b: i32, +} + +#[non_exhaustive] +struct T { + pub x: i32, + pub y: i32, +} + +fn main() { + let base = S { a: 0, b: 0 }; + S { ..base }; // no error + S { a: 1, ..base }; // no error + S { a: 1, b: 1, ..base }; + + let base = T { x: 0, y: 0 }; + T { ..base }; // no error + T { x: 1, ..base }; // no error + T { x: 1, y: 1, ..base }; // no error +} |