22 lines
537 B
Rust
22 lines
537 B
Rust
trait Foo {
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fn foo(_: fn(u8) -> ());
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fn bar(_: Option<u8>);
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fn baz(_: (u8, u16));
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fn qux() -> u8;
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}
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struct Bar;
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impl Foo for Bar {
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fn foo(_: fn(u16) -> ()) {}
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//~^ ERROR method `foo` has an incompatible type for trait
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fn bar(_: Option<u16>) {}
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//~^ ERROR method `bar` has an incompatible type for trait
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fn baz(_: (u16, u16)) {}
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//~^ ERROR method `baz` has an incompatible type for trait
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fn qux() -> u16 { 5u16 }
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//~^ ERROR method `qux` has an incompatible type for trait
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}
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fn main() {}
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