| #![feature(generic_const_exprs)] |
| //~^ WARN: the feature `generic_const_exprs` is incomplete |
| |
| // Regression test for #125770 which would ICE under the old effects desugaring that |
| // created a const generic parameter for constness on `Add`. |
| |
| use std::ops::Add; |
| |
| pub struct Dimension; |
| |
| pub struct Quantity<S, const D: Dimension>(S); |
| //~^ ERROR: `Dimension` is forbidden as the type of a const generic parameter |
| |
| impl<const D: Dimension, LHS, RHS> Add<LHS, D> for Quantity<LHS, { Dimension }> {} |
| //~^ ERROR: trait takes at most 1 generic argument |
| //~| ERROR: `Dimension` is forbidden as the type of a const generic parameter |
| |
| pub fn add<const U: Dimension>(x: Quantity<f32, U>) -> Quantity<f32, U> { |
| //~^ ERROR: `Dimension` is forbidden as the type of a const generic parameter |
| x + y |
| //~^ ERROR: cannot find value `y` in this scope |
| } |
| |
| fn main() {} |
