Method createMinus

packages/compiler/src/expression_parser/ast.ts:355–365

* Creates a unary minus expression "-x", represented as `Binary` using "0 - x".

(span: ParseSpan, sourceSpan: AbsoluteSourceSpan, expr: AST)

   * Creates a unary minus expression "-x", represented as `Binary` using "0 - x".
   */
  static createMinus(span: ParseSpan, sourceSpan: AbsoluteSourceSpan, expr: AST): Unary {
    return new Unary(
      span,
      sourceSpan,
      '-',
      expr,
      '-',
      new LiteralPrimitive(span, sourceSpan, 0),
      expr,
    );
  }

  /**
   * Creates a unary plus expression "+x", represented as `Binary` using "x - 0".