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#![feature(const_generics)]
#![allow(incomplete_features)]
pub struct IsLessOrEqual<const LHS: u32, const RHS: u32>;
pub struct Condition<const CONDITION: bool>;
pub trait True {}
impl<const LHS: u32, const RHS: u32> True for IsLessOrEqual<LHS, RHS> where
Condition<{ LHS <= RHS }>: True
//~^ Error constant expression depends on a generic parameter
{
}
impl True for Condition<true> {}
struct S<const I: u32, const J: u32>;
impl<const I: u32, const J: u32> S<I, J>
where
IsLessOrEqual<I, 8>: True,
IsLessOrEqual<J, 8>: True,
IsLessOrEqual<{ 8 - I }, { 8 - J }>: True,
//~^ Error constant expression depends on a generic parameter
//~| Error constant expression depends on a generic parameter
//~| Error constant expression depends on a generic parameter
//~| Error constant expression depends on a generic parameter
// Condition<{ 8 - I <= 8 - J }>: True,
{
fn print() {
println!("I {} J {}", I, J);
}
}
fn main() {}
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