Function parseLeftHandOperators

src/expression/parse.js:1285–1307

* Left hand operators: factorial x!, ctranspose x' * @return {Node} node * @private

(state)

   * @private
   */
  function parseLeftHandOperators (state) {
    let node, name, fn, params

    node = parseCustomNodes(state)

    const operators = {
      '!': 'factorial',
      '\'': 'ctranspose'
    }

    while (hasOwnProperty(operators, state.token)) {
      name = state.token
      fn = operators[name]

      getToken(state)
      params = [node]

      node = new OperatorNode(name, fn, params)
      node = parseAccessors(state, node)
    }

    return node
  }

  /**
   * Parse a custom node handler. A node handler can be used to process