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// The double space in `impl Iterator` is load bearing! We want to make sure we don't regress by
// accident if the internal string representation changes.
#[rustfmt::skip]
fn foo(constraints: impl Iterator) {
for constraint in constraints {
qux(constraint);
//~^ ERROR `<impl Iterator as Iterator>::Item` doesn't implement `Debug`
}
}
fn bar<T>(t: T, constraints: impl Iterator) where T: std::fmt::Debug {
for constraint in constraints {
qux(t);
qux(constraint);
//~^ ERROR `<impl Iterator as Iterator>::Item` doesn't implement `Debug`
}
}
fn baz(t: impl std::fmt::Debug, constraints: impl Iterator) {
for constraint in constraints {
qux(t);
qux(constraint);
//~^ ERROR `<impl Iterator as Iterator>::Item` doesn't implement `Debug`
}
}
fn bat<I, T: std::fmt::Debug>(t: T, constraints: impl Iterator, _: I) {
for constraint in constraints {
qux(t);
qux(constraint);
//~^ ERROR `<impl Iterator as Iterator>::Item` doesn't implement `Debug`
}
}
fn bak(constraints: impl Iterator + std::fmt::Debug) {
for constraint in constraints {
qux(constraint);
//~^ ERROR `<impl Iterator + std::fmt::Debug as Iterator>::Item` doesn't implement
}
}
#[rustfmt::skip]
fn baw<>(constraints: impl Iterator) {
for constraint in constraints {
qux(constraint);
//~^ ERROR `<impl Iterator as Iterator>::Item` doesn't implement `Debug`
}
}
fn qux(_: impl std::fmt::Debug) {}
fn main() {}
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