| //@ [full] check-pass |
| //@ revisions: full min |
| #![cfg_attr(full, feature(generic_const_exprs))] |
| #![cfg_attr(full, 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 |
| //[min]~^ Error generic parameters may not be used in const operations |
| //[min]~| Error generic parameters may not be used in const operations |
| { |
| } |
| 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, |
| //[min]~^ Error generic parameters may not be used in const operations |
| //[min]~| Error generic parameters may not be used in const operations |
| // Condition<{ 8 - I <= 8 - J }>: True, |
| { |
| fn print() { |
| println!("I {} J {}", I, J); |
| } |
| } |
| |
| fn main() {} |