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// edition:2018
use std::ops::Deref;
pub fn func<'a>(_x: impl Clone + Into<Vec<u8>> + 'a) {}
pub fn func2<T>(
_x: impl Deref<Target = Option<T>> + Iterator<Item = T>,
_y: impl Iterator<Item = u8>,
) {}
pub fn func3(_x: impl Iterator<Item = impl Iterator<Item = u8>> + Clone) {}
pub fn func4<T: Iterator<Item = impl Clone>>(_x: T) {}
pub async fn async_fn() {}
pub struct Foo;
impl Foo {
pub fn method<'a>(_x: impl Clone + Into<Vec<u8>> + 'a) {}
}
pub struct Bar;
impl Bar {
pub async fn async_foo(&self) {}
}
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