| #![allow(unused)] |
| #![warn(clippy::impl_trait_in_params)] |
| |
| //@no-rustfix |
| pub trait Trait {} |
| pub trait AnotherTrait<T> {} |
| |
| // Should warn |
| pub fn a(_: impl Trait) {} |
| //~^ ERROR: `impl Trait` used as a function parameter |
| pub fn c<C: Trait>(_: C, _: impl Trait) {} |
| //~^ ERROR: `impl Trait` used as a function parameter |
| |
| // Shouldn't warn |
| |
| pub fn b<B: Trait>(_: B) {} |
| fn e<T: AnotherTrait<u32>>(_: T) {} |
| fn d(_: impl AnotherTrait<u32>) {} |
| |
| //------ IMPLS |
| |
| pub trait Public { |
| // See test in ui-toml for a case where avoid-breaking-exported-api is set to false |
| fn t(_: impl Trait); |
| fn tt<T: Trait>(_: T) {} |
| } |
| |
| trait Private { |
| // This shouldn't lint |
| fn t(_: impl Trait); |
| fn tt<T: Trait>(_: T) {} |
| } |
| |
| struct S; |
| impl S { |
| pub fn h(_: impl Trait) {} //~ ERROR: `impl Trait` used as a function parameter |
| fn i(_: impl Trait) {} |
| pub fn j<J: Trait>(_: J) {} |
| pub fn k<K: AnotherTrait<u32>>(_: K, _: impl AnotherTrait<u32>) {} //~ ERROR: `impl Trait` used as a function parameter |
| } |
| |
| // Trying with traits |
| impl Public for S { |
| fn t(_: impl Trait) {} |
| } |
| |
| fn main() {} |
