27 lines
553 B
Rust
27 lines
553 B
Rust
// There are two different instances to check that even if
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// the trait is implemented for the output of a function,
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// it will still be displayed if the function itself implements a trait.
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trait Foo {}
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impl Foo for fn() -> bool {}
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impl Foo for bool {}
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fn example() -> bool {
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true
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}
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trait NoOtherFoo {}
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impl NoOtherFoo for fn() -> bool {}
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fn do_on_foo(v: impl Foo) {}
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fn do_on_single_foo(v: impl NoOtherFoo) {}
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fn main() {
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do_on_foo(example);
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//~^ ERROR the trait bound
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do_on_single_foo(example);
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//~^ ERROR the trait bound
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}
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