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//@ check-pass
// issue: rust-lang/rust#88421
#![feature(adt_const_params)]
#![feature(generic_const_exprs)]
#![allow(incomplete_features)]
use std::ops::Index;
pub struct CellPossibilities;
pub enum CellState<const SQUARE_SIZE: usize> {
Empty(Option<CellPossibilities>),
}
pub struct Sudoku<const SQUARE_SIZE: usize>;
impl<const SQUARE_SIZE: usize> Sudoku<SQUARE_SIZE>where
[CellState<SQUARE_SIZE>; SQUARE_SIZE * SQUARE_SIZE]: Sized,
{
pub fn random() {
let CellState::Empty(_) = Self[()];
}
}
impl<const SQUARE_SIZE: usize> Index<()> for Sudoku<SQUARE_SIZE>
where
[CellState<SQUARE_SIZE>; SQUARE_SIZE * SQUARE_SIZE]: Sized,
{
type Output = CellState<SQUARE_SIZE>;
fn index(&self, _: ()) -> &Self::Output {
todo!()
}
}
pub fn main() {}
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