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https://github.com/rust-lang/rust
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26 lines
518 B
Rust
26 lines
518 B
Rust
//@ known-bug: #119299
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#![feature(adt_const_params)]
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#![allow(incomplete_features)]
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use std::marker::ConstParamTy;
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#[derive(Eq, PartialEq)]
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struct ConstStrU(*const u8, usize);
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impl ConstParamTy for &'static ConstStrU {}
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impl ConstStrU {
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const fn from_bytes(bytes: &'static [u8]) -> Self {
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Self(bytes.as_ptr(), bytes.len())
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}
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}
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const fn chars_s<const S: &'static ConstStrU>() -> [char; 3] {
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['a','b','c']
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}
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fn main() {
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const A: &'static ConstStrU = &ConstStrU::from_bytes(b"abc");
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chars_s::<A>();
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}
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