rust/tests/ui/parser/issues/issue-57819.rs

48 lines
1.2 KiB
Rust

//@ run-rustfix
#![allow(warnings)]
// This test checks that the following error is emitted and the suggestion works:
//
// ```
// let _ = vec![1, 2, 3].into_iter().collect::<<<Vec<usize>>();
// ^^ help: remove extra angle brackets
// ```
trait Foo {
type Output;
}
fn foo<T: Foo>() {
// More complex cases with more than one correct leading `<` character:
bar::<<<<<T as Foo>::Output>();
//~^ ERROR unmatched angle bracket
bar::<<<<T as Foo>::Output>();
//~^ ERROR unmatched angle bracket
bar::<<<T as Foo>::Output>();
//~^ ERROR unmatched angle bracket
bar::<<T as Foo>::Output>();
}
fn bar<T>() {}
fn main() {
let _ = vec![1, 2, 3].into_iter().collect::<<<<<Vec<usize>>();
//~^ ERROR unmatched angle bracket
let _ = vec![1, 2, 3].into_iter().collect::<<<<Vec<usize>>();
//~^ ERROR unmatched angle bracket
let _ = vec![1, 2, 3].into_iter().collect::<<<Vec<usize>>();
//~^ ERROR unmatched angle bracket
let _ = vec![1, 2, 3].into_iter().collect::<<Vec<usize>>();
//~^ ERROR unmatched angle bracket
let _ = vec![1, 2, 3].into_iter().collect::<Vec<usize>>();
}