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#![feature(const_fn)]
const ARR_LEN: usize = Tt::const_val::<[i8; 123]>();
//~^ ERROR type annotations needed
trait Tt {
const fn const_val<T: Sized>() -> usize {
//~^ ERROR functions in traits cannot be declared const
core::mem::size_of::<T>()
}
}
fn f(z: [f32; ARR_LEN]) -> [f32; ARR_LEN] {
z
}
fn main() {
let _ = f([1f32; ARR_LEN]);
}
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