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