mirror of https://github.com/rust-lang/rust
31 lines
563 B
Rust
31 lines
563 B
Rust
#![feature(generic_const_exprs)]
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#![allow(incomplete_features, unused)]
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const fn complex_maths(n : usize) -> usize {
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2 * n + 1
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}
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pub struct Example<const N: usize> {
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a: [f32; N],
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b: [f32; complex_maths(N)],
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//~^ ERROR unconstrained generic
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}
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impl<const N: usize> Example<N> {
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pub fn new() -> Self {
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Self {
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a: [0.; N],
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b: [0.; complex_maths(N)],
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//~^ ERROR: unconstrained generic constant
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}
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}
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}
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impl Example<2> {
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pub fn sum(&self) -> f32 {
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self.a.iter().sum::<f32>() + self.b.iter().sum::<f32>()
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}
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}
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fn main() {}
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