Method constructor

addition-rnn-webworker/worker.js:26–39

* Constructor of CharacterTable. * @param chars A string that contains the characters that can appear * in the input.

(chars)

   *   in the input.
   */
  constructor(chars) {
    this.chars = chars;
    this.charIndices = {};
    this.indicesChar = {};
    this.size = this.chars.length;
    for (let i = 0; i < this.size; ++i) {
      const char = this.chars[i];
      if (this.charIndices[char] != null) {
        throw new Error(`Duplicate character '${char}'`);
      }
      this.charIndices[this.chars[i]] = i;
      this.indicesChar[i] = this.chars[i];
    }
  }

  /**
   * Convert a string into a one-hot encoded tensor.