Method child

regex/regex-syntax/src/ast/visitor.rs:474–481

Perform the next inductive step on this frame and return the next child AST node to visit.

(&self)

    /// Perform the next inductive step on this frame and return the next
    /// child AST node to visit.
    fn child(&self) -> &'a Ast {
        match *self {
            Frame::Repetition(rep) => &rep.ast,
            Frame::Group(group) => &group.ast,
            Frame::Concat { head, .. } => head,
            Frame::Alternation { head, .. } => head,
        }
    }
}

impl<'a> ClassFrame<'a> {