16 lines
321 B
Rust
16 lines
321 B
Rust
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trait Foo<T> {
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fn foo(self, f: impl FnOnce());
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}
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impl<T> Foo<T> for () {
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fn foo(self, f: impl FnOnce()) {
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f()
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}
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}
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fn main() {
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// FIXME: This should ideally use a fully qualified path
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// without mentioning the generic arguments of `foo`.
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().foo(|| ()) //~ ERROR type annotations needed
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}
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