mirror of https://github.com/rust-lang/rust
18 lines
334 B
Rust
18 lines
334 B
Rust
const ARR_LEN: usize = Tt::const_val::<[i8; 123]>();
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//~^ ERROR E0790
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trait Tt {
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const fn const_val<T: Sized>() -> usize {
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//~^ ERROR functions in traits cannot be declared const
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core::mem::size_of::<T>()
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}
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}
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fn f(z: [f32; ARR_LEN]) -> [f32; ARR_LEN] {
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z
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}
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fn main() {
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let _ = f([1f32; ARR_LEN]);
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}
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