mirror of https://github.com/rust-lang/rust
13 lines
427 B
Rust
13 lines
427 B
Rust
// rust-lang/rust#57979 : the initial support for `impl Trait` didn't
|
|
// properly check syntax hidden behind an associated type projection.
|
|
// Here we test behavior of occurrences of `impl Trait` within an
|
|
// `impl Trait` in that context.
|
|
|
|
pub trait Foo<T> { }
|
|
pub trait Bar { }
|
|
pub trait Quux { type Assoc; }
|
|
pub fn demo(_: impl Quux<Assoc=impl Foo<impl Bar>>) { }
|
|
//~^ ERROR nested `impl Trait` is not allowed
|
|
|
|
fn main() { }
|