Macro example

macro.hx

  class MyClass {
    /*
    usage:
    function x() {
      var c = new MyClass();
      var x = c.func(10);
    }
    */
    
  macro public function func(ethis: Expr, block: Expr): Expr {
    return a(ethis, block);
  }

  static function a(ethis: Expr, block: Expr): Expr {
    return switch (block.expr) {
      case EConst(c):
        switch(c) {
          case CInt(v):
            macro function (t: Float): Bool { return t > $v{Std.parseInt(v)}; };
          default:
            null;
        }
      default: null;
    }
  }
  
  }