mirror of https://github.com/rust-lang/rust
23 lines
679 B
Rust
23 lines
679 B
Rust
// Checks that pointers must not be used as the type of const params.
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//@ revisions: min adt_const_params full
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#![cfg_attr(full, feature(adt_const_params, unsized_const_params))]
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#![cfg_attr(full, allow(incomplete_features))]
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#![cfg_attr(adt_const_params, feature(adt_const_params))]
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#![cfg_attr(adt_const_params, allow(incomplete_features))]
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const A: u32 = 3;
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struct Const<const P: *const u32>; //~ ERROR: using raw pointers as const generic parameters
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impl<const P: *const u32> Const<P> {
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//~^ ERROR: using raw pointers as const generic parameters
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fn get() -> u32 {
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unsafe { *P }
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}
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}
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fn main() {
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assert_eq!(Const::<{ &A as *const _ }>::get(), 3)
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}
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