16 lines
423 B
Rust
16 lines
423 B
Rust
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struct Foo;
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fn takes_ref(_: &Foo) {}
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fn main() {
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let ref opt = Some(Foo);
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opt.map(|arg| takes_ref(arg));
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//~^ ERROR mismatched types [E0308]
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opt.and_then(|arg| Some(takes_ref(arg)));
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//~^ ERROR mismatched types [E0308]
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let ref opt: Result<_, ()> = Ok(Foo);
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opt.map(|arg| takes_ref(arg));
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//~^ ERROR mismatched types [E0308]
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opt.and_then(|arg| Ok(takes_ref(arg)));
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//~^ ERROR mismatched types [E0308]
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}
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