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//@ known-bug: #105238
#![allow(incomplete_features)]
#![feature(generic_const_exprs)]
trait Ret {
type R;
}
struct Cond<const PRED: bool, U, V>(std::marker::PhantomData<U>, std::marker::PhantomData<V>);
impl<U, V> Ret for Cond<true, U, V> {
type R = U;
}
impl<U, V> Ret for Cond<false, U, V> {
type R = V;
}
struct RobinHashTable<const MAX_LENGTH: usize, CellIdx = Cond<{ MAX_LENGTH < 65535 }, u16, u32>>
where
CellIdx: Ret,
{
_idx: CellIdx::R,
}
fn main() {
use std::mem::size_of;
println!("{}", size_of::<RobinHashTable<1024>>());
println!("{}", size_of::<RobinHashTable<65536>>());
}
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