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22 lines
343 B
Rust
22 lines
343 B
Rust
// run-pass
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#![allow(unused_variables)]
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trait Nat {
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const VALUE: usize;
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}
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struct Zero;
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struct Succ<N>(#[allow(dead_code)] N);
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impl Nat for Zero {
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const VALUE: usize = 0;
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}
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impl<N: Nat> Nat for Succ<N> {
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const VALUE: usize = N::VALUE + 1;
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}
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fn main() {
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let x: [i32; <Succ<Succ<Succ<Succ<Zero>>>>>::VALUE] = [1, 2, 3, 4];
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}
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