Function deep

packages/ast/parse/combinators.js:29–40

(type, callback)

};

const deep = (type, callback) => (match, _, position) => {
  const [result, content] = match;

  return [
    {
      type,
      children: callback(content),
      source: result,
    },
    position + result.length,
  ];
};

const shallow = (type) => (match, _, position) => {
  const [result, content] = match;