rust/tests/ui/coercion/issue-88097.rs

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// In #88097, the compiler attempted to coerce a closure type to itself via
// a function pointer, which caused an unnecessary error. Check that this
// behavior has been fixed.
// check-pass
fn peculiar() -> impl Fn(u8) -> u8 {
return |x| x + 1
}
fn peculiar2() -> impl Fn(u8) -> u8 {
return |x| x + 1;
}
fn peculiar3() -> impl Fn(u8) -> u8 {
let f = |x| x + 1;
return f
}
fn peculiar4() -> impl Fn(u8) -> u8 {
let f = |x| x + 1;
f
}
fn peculiar5() -> impl Fn(u8) -> u8 {
let f = |x| x + 1;
let g = |x| x + 2;
return if true { f } else { g }
}
fn main() {}