mirror of https://github.com/rust-lang/rust
23 lines
525 B
Rust
23 lines
525 B
Rust
// Check that functions cannot be used as const parameters.
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//@ revisions: full min
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#![cfg_attr(full, feature(adt_const_params))]
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#![cfg_attr(full, allow(incomplete_features))]
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fn function() -> u32 {
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17
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}
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struct Wrapper<const F: fn() -> u32>; //~ ERROR: using function pointers as const generic parameters
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impl<const F: fn() -> u32> Wrapper<F> {
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//~^ ERROR: using function pointers as const generic parameters
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fn call() -> u32 {
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F()
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}
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}
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fn main() {
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assert_eq!(Wrapper::<function>::call(), 17);
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}
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