rust-clippy/tests/ui/must_use_unit.fixed

//run-rustfix
// aux-build:macro_rules.rs

#![warn(clippy::must_use_unit)]
#![allow(clippy::unused_unit)]

#[macro_use]
extern crate macro_rules;


pub fn must_use_default() {}


pub fn must_use_unit() -> () {}


pub fn must_use_with_note() {}

fn main() {
    must_use_default();
    must_use_unit();
    must_use_with_note();

    // We should not lint in external macros
    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 06:37:41 +00:00			`//run-rustfix`
			`// aux-build:macro_rules.rs`

			`#![warn(clippy::must_use_unit)]`
			`#![allow(clippy::unused_unit)]`

			`#[macro_use]`
			`extern crate macro_rules;`


			`pub fn must_use_default() {}`


			`pub fn must_use_unit() -> () {}`


			`pub fn must_use_with_note() {}`

			`fn main() {`
			`must_use_default();`
			`must_use_unit();`
			`must_use_with_note();`

			`// We should not lint in external macros`
			`must_use_unit!();`
			`}`