Function currentCharacter

src/expression/parse.js:254–256

* View the current character. Returns '' if end of expression is reached. * * @param {Object} state * @returns {string} * @private

(state)

   * @private
   */
  function currentCharacter (state) {
    return currentString(state, 1)
  }

  /**
   * Get the next character from the expression.