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fix nested impl trait lifetimes

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This commit is contained in:
Taylor Cramer 2018-01-17 17:22:40 -08:00
parent 932c736479
commit dd481d5f46
2 changed files with 79 additions and 11 deletions
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8
src/test/run-pass/impl-trait/lifetimes.rs
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@ -50,6 +50,14 @@ fn closure_hr_elided_return() -> impl Fn(&u32) -> &u32 { |x| x }
fn closure_pass_through_elided_return(x: impl Fn(&u32) -> &u32) -> impl Fn(&u32) -> &u32 { x }
fn closure_pass_through_reference_elided(x: &impl Fn(&u32) -> &u32) -> &impl Fn(&u32) -> &u32 { x }
fn nested_lifetime<'a>(input: &'a str)
-> impl Iterator<Item = impl Iterator<Item = i32> + 'a> + 'a
{
input.lines().map(|line| {
line.split_whitespace().map(|cell| cell.parse().unwrap())
})
}
fn pass_through_elision(x: &u32) -> impl Into<&u32> { x }
fn pass_through_elision_with_fn_ptr(x: &fn(&u32) -> &u32) -> impl Into<&fn(&u32) -> &u32> { x }