Method to_option

atomic-core/src/change/atom.rs:143–148

Convert this atom to use `Option ` for the change references. This is useful when building a change that references itself (using None for self-references).

(&self)

    /// This is useful when building a change that references itself
    /// (using None for self-references).
    pub fn to_option(&self) -> Atom<Option<H>> {
        match self {
            Atom::Insertion(v) => Atom::Insertion(v.to_option()),
            Atom::EdgeUpdate(e) => Atom::EdgeUpdate(e.to_option()),
        }
    }
}

impl<H> From<Insertion<H>> for Atom<H> {