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https://github.com/rust-lang/rust
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16 lines
454 B
Rust
16 lines
454 B
Rust
// compile-flags: -Zverbose
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fn foo(_: i32, _: i32) {}
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fn needs_ptr(_: fn(i32, u32)) {}
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//~^ NOTE function defined here
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//~| NOTE
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fn main() {
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needs_ptr(foo);
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//~^ ERROR mismatched types
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//~| NOTE expected fn pointer, found fn item
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//~| NOTE expected fn pointer `fn(i32, u32)`
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//~| NOTE arguments to this function are incorrect
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//~| NOTE when the arguments and return types match, functions can be coerced to function pointers
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}
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