Struct CountingVisitorExt 

pub struct CountingVisitorExt {
    pub counts: HashMap<String, usize>,
    pub depth: usize,
}

A counting visitor that counts each kind.

Fields

counts: HashMap<String, usize>

Map from node kind to count

depth: usize

Current depth

Implementations

impl CountingVisitorExt

pub fn new() -> Self

Create a new counting visitor.

Trait Implementations

impl AstNodeVisitorExt for CountingVisitorExt

fn visit_node(&mut self, kind: &str, _depth: usize)

Visit a node with the given kind label.

impl Default for CountingVisitorExt

fn default() -> Self

Returns the “default value” for a type.