30 lines
616 B
Rust
30 lines
616 B
Rust
// run-pass
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#![feature(generic_const_exprs)]
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#![allow(incomplete_features, unused_parens, unused_braces)]
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fn zero_init<const N: usize>() -> Substs1<{ (N) }>
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where
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[u8; { (N) }]: ,
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{
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Substs1([0; { (N) }])
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}
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struct Substs1<const N: usize>([u8; { (N) }])
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where
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[(); { (N) }]: ;
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fn substs2<const M: usize>() -> Substs1<{ (M) }> {
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zero_init::<{ (M) }>()
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}
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fn substs3<const L: usize>() -> Substs1<{ (L) }> {
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substs2::<{ (L) }>()
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}
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fn main() {
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assert_eq!(substs3::<2>().0, [0; 2]);
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}
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// Test that the implicit ``{ (L) }`` bound on ``substs3`` satisfies the
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// ``{ (N) }`` bound on ``Substs1``
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