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rust/tests/ui/must_use_unit.stderr

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new lints around `#[must_use]` fns `must_use_unit` lints unit-returning functions with a `#[must_use]` attribute, suggesting to remove it. `double_must_use` lints functions with a plain `#[must_use]` attribute, but which return a type which is already `#[must_use]`, so the attribute has no benefit. `must_use_candidate` is a pedantic lint that lints functions and methods that return some non-unit type that is not already `#[must_use]` and suggests to add the annotation.
2019-09-18 01:37:41 -05:00
error: this unit-returning function has a `#[must_use]` attribute
Merge commit '080b587854a73f2a8cbaecff1884860a78e2ff37' into clippyup
2023-08-24 14:32:12 -05:00
--> $DIR/must_use_unit.rs:10:1
new lints around `#[must_use]` fns `must_use_unit` lints unit-returning functions with a `#[must_use]` attribute, suggesting to remove it. `double_must_use` lints functions with a plain `#[must_use]` attribute, but which return a type which is already `#[must_use]`, so the attribute has no benefit. `must_use_candidate` is a pedantic lint that lints functions and methods that return some non-unit type that is not already `#[must_use]` and suggests to add the annotation.
2019-09-18 01:37:41 -05:00
|
LL | #[must_use]
| ----------- help: remove the attribute
LL | pub fn must_use_default() {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::must-use-unit` implied by `-D warnings`
Adjust clippy tests with new rustc help suggestion for lints
2023-08-01 07:02:21 -05:00
= help: to override `-D warnings` add `#[allow(clippy::must_use_unit)]`
new lints around `#[must_use]` fns `must_use_unit` lints unit-returning functions with a `#[must_use]` attribute, suggesting to remove it. `double_must_use` lints functions with a plain `#[must_use]` attribute, but which return a type which is already `#[must_use]`, so the attribute has no benefit. `must_use_candidate` is a pedantic lint that lints functions and methods that return some non-unit type that is not already `#[must_use]` and suggests to add the annotation.
2019-09-18 01:37:41 -05:00
error: this unit-returning function has a `#[must_use]` attribute
Merge commit '080b587854a73f2a8cbaecff1884860a78e2ff37' into clippyup
2023-08-24 14:32:12 -05:00
--> $DIR/must_use_unit.rs:13:1
new lints around `#[must_use]` fns `must_use_unit` lints unit-returning functions with a `#[must_use]` attribute, suggesting to remove it. `double_must_use` lints functions with a plain `#[must_use]` attribute, but which return a type which is already `#[must_use]`, so the attribute has no benefit. `must_use_candidate` is a pedantic lint that lints functions and methods that return some non-unit type that is not already `#[must_use]` and suggests to add the annotation.
2019-09-18 01:37:41 -05:00
|
LL | #[must_use]
| ----------- help: remove the attribute
LL | pub fn must_use_unit() -> () {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: this unit-returning function has a `#[must_use]` attribute
Merge commit '080b587854a73f2a8cbaecff1884860a78e2ff37' into clippyup
2023-08-24 14:32:12 -05:00
--> $DIR/must_use_unit.rs:16:1
new lints around `#[must_use]` fns `must_use_unit` lints unit-returning functions with a `#[must_use]` attribute, suggesting to remove it. `double_must_use` lints functions with a plain `#[must_use]` attribute, but which return a type which is already `#[must_use]`, so the attribute has no benefit. `must_use_candidate` is a pedantic lint that lints functions and methods that return some non-unit type that is not already `#[must_use]` and suggests to add the annotation.
2019-09-18 01:37:41 -05:00
|
LL | #[must_use = "With note"]
| ------------------------- help: remove the attribute
LL | pub fn must_use_with_note() {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 3 previous errors
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