UnaryPrefixExpr constructor
      
      UnaryPrefixExpr(})
     
    
    
Implementation
UnaryPrefixExpr(
  this.op,
  this.object, {
  super.source,
  super.line = 0,
  super.column = 0,
  super.offset = 0,
  super.length = 0,
}) : super(Semantic.unaryExpr);