Method size

src/expr/src/relation.rs:2026–2030

Return the number of sub-expressions in the tree (including self).

(&self)

    /// Return the number of sub-expressions in the tree (including self).
    pub fn size(&self) -> usize {
        let mut size = 0;
        self.visit_pre(|_| size += 1);
        size
    }

    /// Given the ids and values of a LetRec, it computes the subset of ids that are used across
    /// iterations. These are those ids that have a reference before they are defined, when reading