pub fn check_arg_count<'a, 'tcx, const N: usize>(
    args: &'a [OpTy<'tcx, Provenance>]
) -> InterpResult<'tcx, &'a [OpTy<'tcx, Provenance>; N]>where
    &'a [OpTy<'tcx, Provenance>; N]: TryFrom<&'a [OpTy<'tcx, Provenance>]>,
Expand description

Check that the number of args is what we expect.