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// test for https://github.com/rust-lang/rust/issues/86940
//@ run-rustfix
//@ edition:2018
//@ check-pass
#![warn(rust_2021_prelude_collisions)]
#![allow(dead_code)]
#![allow(unused_imports)]
struct Generic<'a, U>(&'a U);
trait MyFromIter {
fn from_iter(_: i32) -> Self;
}
impl MyFromIter for Generic<'static, i32> {
fn from_iter(_: i32) -> Self {
todo!()
}
}
impl std::iter::FromIterator<i32> for Generic<'static, i32> {
fn from_iter<T: IntoIterator<Item = i32>>(_: T) -> Self {
todo!()
}
}
fn main() {
Generic::from_iter(1);
//~^ WARNING trait-associated function `from_iter` will become ambiguous in Rust 2021
//~| WARN this is accepted in the current edition (Rust 2018)
Generic::<'static, i32>::from_iter(1);
//~^ WARNING trait-associated function `from_iter` will become ambiguous in Rust 2021
//~| WARN this is accepted in the current edition (Rust 2018)
Generic::<'_, _>::from_iter(1);
//~^ WARNING trait-associated function `from_iter` will become ambiguous in Rust 2021
//~| WARN this is accepted in the current edition (Rust 2018)
}
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