Function for_local_id

src/transform/src/normalize_lets.rs:225–237

Logic mapped across each use of a `LocalId`.

(expr: &MirRelationExpr, mut logic: F)

    /// Logic mapped across each use of a `LocalId`.
    pub(super) fn for_local_id<F>(expr: &MirRelationExpr, mut logic: F)
    where
        F: FnMut(LocalId),
    {
        expr.visit_pre(|expr| {
            if let MirRelationExpr::Get {
                id: Id::Local(i), ..
            } = expr
            {
                logic(*i);
            }
        });
    }

    /// Populates `counts` with the number of uses of each local identifier in `expr`.
    pub(super) fn count_local_id_uses(