fn plan_slice_list(
ecx: &ExprContext<'_>,
expr: HirScalarExpr,
slices: &[SubscriptPosition<Aug>],
n_layers: usize,
elem_type_name: &str,
) -> Result<HirScalarExpr, PlanError>
fn plan_slice_list(
ecx: &ExprContext<'_>,
expr: HirScalarExpr,
slices: &[SubscriptPosition<Aug>],
n_layers: usize,
elem_type_name: &str,
) -> Result<HirScalarExpr, PlanError>