mirror of https://github.com/rust-lang/rust
19 lines
629 B
Rust
19 lines
629 B
Rust
struct Wrapper<T>(T);
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impl Wrapper<Option<i32>> {
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fn inner_mut(&self) -> Option<&mut i32> {
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self.as_mut()
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//~^ ERROR no method named `as_mut` found for reference `&Wrapper<Option<i32>>` in the current scope
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//~| HELP one of the expressions' fields has a method of the same name
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//~| HELP items from traits can only be used if
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}
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fn inner_mut_bad(&self) -> Option<&mut u32> {
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self.as_mut()
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//~^ ERROR no method named `as_mut` found for reference `&Wrapper<Option<i32>>` in the current scope
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//~| HELP items from traits can only be used if
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}
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}
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fn main() {}
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