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| author | bors <bors@rust-lang.org> | 2023-02-06 12:57:37 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2023-02-06 12:57:37 +0000 |
| commit | 044a28a4091f2e1a5883f7fa990223f8b200a2cd (patch) | |
| tree | d561053098872dc5c062c64aae63fc21dc09bbbd /library/core/src | |
| parent | e7813fee92c56621d08e8dbe83948d9f4a30a9ec (diff) | |
| parent | cb55d10eb2b11ea6aee96c111b0996519af1fdf5 (diff) | |
| download | rust-044a28a4091f2e1a5883f7fa990223f8b200a2cd.tar.gz rust-044a28a4091f2e1a5883f7fa990223f8b200a2cd.zip | |
Auto merge of #103761 - chenyukang:yukang/fix-103320-must-use, r=compiler-errors
Add explanatory message for [#must_use] in ops Fixes #103320
Diffstat (limited to 'library/core/src')
| -rw-r--r-- | library/core/src/ops/arith.rs | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/library/core/src/ops/arith.rs b/library/core/src/ops/arith.rs index cc13db5c956..0c7ee9630c6 100644 --- a/library/core/src/ops/arith.rs +++ b/library/core/src/ops/arith.rs @@ -86,7 +86,8 @@ pub trait Add<Rhs = Self> { /// ``` /// assert_eq!(12 + 1, 13); /// ``` - #[must_use] + #[must_use = "this returns the result of the operation, without modifying the original"] + #[rustc_diagnostic_item = "add"] #[stable(feature = "rust1", since = "1.0.0")] fn add(self, rhs: Rhs) -> Self::Output; } @@ -195,7 +196,8 @@ pub trait Sub<Rhs = Self> { /// ``` /// assert_eq!(12 - 1, 11); /// ``` - #[must_use] + #[must_use = "this returns the result of the operation, without modifying the original"] + #[rustc_diagnostic_item = "sub"] #[stable(feature = "rust1", since = "1.0.0")] fn sub(self, rhs: Rhs) -> Self::Output; } @@ -325,7 +327,8 @@ pub trait Mul<Rhs = Self> { /// ``` /// assert_eq!(12 * 2, 24); /// ``` - #[must_use] + #[must_use = "this returns the result of the operation, without modifying the original"] + #[rustc_diagnostic_item = "mul"] #[stable(feature = "rust1", since = "1.0.0")] fn mul(self, rhs: Rhs) -> Self::Output; } @@ -459,7 +462,8 @@ pub trait Div<Rhs = Self> { /// ``` /// assert_eq!(12 / 2, 6); /// ``` - #[must_use] + #[must_use = "this returns the result of the operation, without modifying the original"] + #[rustc_diagnostic_item = "div"] #[stable(feature = "rust1", since = "1.0.0")] fn div(self, rhs: Rhs) -> Self::Output; } @@ -562,7 +566,8 @@ pub trait Rem<Rhs = Self> { /// ``` /// assert_eq!(12 % 10, 2); /// ``` - #[must_use] + #[must_use = "this returns the result of the operation, without modifying the original"] + #[rustc_diagnostic_item = "rem"] #[stable(feature = "rust1", since = "1.0.0")] fn rem(self, rhs: Rhs) -> Self::Output; } @@ -678,7 +683,8 @@ pub trait Neg { /// let x: i32 = 12; /// assert_eq!(-x, -12); /// ``` - #[must_use] + #[must_use = "this returns the result of the operation, without modifying the original"] + #[rustc_diagnostic_item = "neg"] #[stable(feature = "rust1", since = "1.0.0")] fn neg(self) -> Self::Output; } |