Method scanCharacter

packages/compiler/src/expression_parser/lexer.ts:367–370

(start: number, code: number)

  }

  private scanCharacter(start: number, code: number): Token {
    this.advance();
    return newCharacterToken(start, this.index, code);
  }

  private scanOperator(start: number, str: string): Token {
    this.advance();