mirror of https://github.com/rust-lang/rust
21 lines
486 B
Rust
21 lines
486 B
Rust
use std::borrow::Cow;
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pub trait IntoCow<'a, B: ?Sized> where B: ToOwned {
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fn into_cow(self) -> Cow<'a, B>;
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}
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impl<'a> IntoCow<'a, str> for String {
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fn into_cow(self) -> Cow<'a, str> {
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Cow::Owned(self)
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}
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}
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fn main() {
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<String as IntoCow>::into_cow("foo".to_string());
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//~^ ERROR missing generics for
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<String as IntoCow>::into_cow::<str>("foo".to_string());
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//~^ ERROR method takes 0 generic arguments but 1
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//~| ERROR missing generics for
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}
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