// This test was derived from the wasm and parsell crates. They // stopped compiling when #32330 is fixed. #![allow(dead_code, unused_variables)] use std::str::Chars; pub trait HasOutput { type Output; } #[derive(Clone, PartialEq, Eq, Hash, Ord, PartialOrd, Debug)] pub enum Token<'a> { Begin(&'a str) } fn mk_unexpected_char_err<'a>() -> Option<&'a i32> { unimplemented!() } fn foo<'a>(data: &mut Chars<'a>) { bar(mk_unexpected_char_err) } fn bar(t: F) // No type can satisfy this requirement, since `'a` does not // appear in any of the input types: where F: for<'a> Fn() -> Option<&'a i32> //~^ ERROR E0582 { } fn baz(t: F) // No type can satisfy this requirement, since `'a` does not // appear in any of the input types: where F: for<'a> Iterator //~^ ERROR E0582 { } fn main() { }