Method _advance

packages/compiler/src/ml_parser/parser.ts:169–177

()

  }

  private _advance<T extends Token>(): T {
    const prev = this._peek;
    if (this._index < this.tokens.length - 1) {
      // Note: there is always an EOF token at the end
      this._index++;
    }
    this._peek = this.tokens[this._index];
    return prev as T;
  }

  private _advanceIf<T extends TokenType>(type: T): (Token & {type: T}) | null {
    if (this._peek.type === type) {