34 lines
1.7 KiB
Rust
34 lines
1.7 KiB
Rust
//@ edition:2018
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type T0 = const fn(); //~ ERROR an `fn` pointer type cannot be `const`
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type T1 = const extern "C" fn(); //~ ERROR an `fn` pointer type cannot be `const`
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type T2 = const unsafe extern "C" fn(); //~ ERROR an `fn` pointer type cannot be `const`
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type T3 = async fn(); //~ ERROR an `fn` pointer type cannot be `async`
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type T4 = async extern "C" fn(); //~ ERROR an `fn` pointer type cannot be `async`
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type T5 = async unsafe extern "C" fn(); //~ ERROR an `fn` pointer type cannot be `async`
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type T6 = const async unsafe extern "C" fn();
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//~^ ERROR an `fn` pointer type cannot be `const`
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//~| ERROR an `fn` pointer type cannot be `async`
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type FT0 = for<'a> const fn(); //~ ERROR an `fn` pointer type cannot be `const`
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type FT1 = for<'a> const extern "C" fn(); //~ ERROR an `fn` pointer type cannot be `const`
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type FT2 = for<'a> const unsafe extern "C" fn(); //~ ERROR an `fn` pointer type cannot be `const`
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type FT3 = for<'a> async fn(); //~ ERROR an `fn` pointer type cannot be `async`
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type FT4 = for<'a> async extern "C" fn(); //~ ERROR an `fn` pointer type cannot be `async`
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type FT5 = for<'a> async unsafe extern "C" fn(); //~ ERROR an `fn` pointer type cannot be `async`
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type FT6 = for<'a> const async unsafe extern "C" fn();
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//~^ ERROR an `fn` pointer type cannot be `const`
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//~| ERROR an `fn` pointer type cannot be `async`
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// Tests with qualifiers in the wrong order
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type W1 = unsafe const fn();
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//~^ ERROR an `fn` pointer type cannot be `const`
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type W2 = unsafe async fn();
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//~^ ERROR an `fn` pointer type cannot be `async`
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type W3 = for<'a> unsafe const fn();
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//~^ ERROR an `fn` pointer type cannot be `const`
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fn main() {
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let _recovery_witness: () = 0; //~ ERROR mismatched types
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}
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