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#![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() {}
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