class operator THuangJacky.Add(a, b: THuangJacky): THuangJacky; begin Result.A:=a.A + a.A; Result.B:=a.B + b.B; Result.C:=a.C + b.C; end; class operator THuangJacky.Equal(a, b: THuangJacky): Boolean; begin if (a.A=b.A)and(a.B=b.B)and(a.C=b.C) then Result...
class operator unaryOp(a: type): resultType; class operator comparisonOp(a: type; b: type): Boolean; class operator binaryOp(a: type; b: type): resultType; end; 实现部分的句法如下: class operator typeName.conversionOp(a: type): resultType; class operator typeName.unaryOp(a: type): resultTy...
class operator conversionOp(a: type): resultType; class operator unaryOp(a: type): resultType; class operator comparisonOp(a: type; b: type): Boolean; class operator binaryOp(a: type; b: type): resultType; end; 实现部分的句法如下: class operator typeName.conversionOp(a: type): resultType;...
class operator TMyRecord.Initialize(out Dest: TMyRecord); begin Dest.FValue := 0; // 在这里可以添加其他初始化代码 end; class operator TMyRecord.Finalize(var Dest: TMyRecord); begin // 在这里可以添加清理代码 end; class operator TMyRecord.Assign(var Dest: TMyRecord; const [ref] Src: TMy...
class operator GreaterThan(ALeft,ARight:TXalionRec):boolean; // 大于 class operator GreaterThanOrEqual(ALeft,ARight:TXalionRec):boolean; //大于等于 class operator LessThan(ALeft,ARight:TXalionRec):boolean; // 小于 class operator LessThanOrEqual(ALeft,ARight:TXalionRec):boolean; //小于等于...
我想将一些类操作符添加到记录中,但我仍然希望在较旧的Delphi版本下编写代码进行编译。 class operator Add(A: Iso8601): Iso8601; end; 我知道带有成员函数的记录与Unicode更新一致,但是我 浏览0提问于2014-06-12得票数3 4回答 什么时候我应该在Delphi中使用增强的记录类型而不是类?
class operator Add(a, b: TString ): TString;end;实现了⼀个结构体的初始化,反初始化,拷贝的⾃动调⽤单元.只要你的结构体引⽤了AutoRecord这个类型的变量,那么结构体就可以⾃动调⽤初始化,反初始化,拷贝.⽐如:TTest = record _ : AutoRecord;procedure Operator_Initialize(); //初始化 proce...
TOperatorType = (otAdd, otSub, otMul, otDiv); TDataRec = record case Kind: TTokenType of ttNumber : ( Number: Single ); ttOperator : ( Operator: TOperatorType ); end; PDataRec = ^TDataRec; TSimpleCalc = class private
,/重载加法操作符+,声明前面必须有ClassOperator ClassOperatoradd(1eft,right:TOperatorTester) TOperatorTester; End; ,/除了声明不同外,只要和普通的函数一样定义运算就可 ,/以了 Class Operator TOperatorTester.add( 1eft, right TOperatorTester):TOperatorTester;. ...
TGlobal = class(TBaseItem) //TBaseItem 可以改为 TObjectprivateFWriteLogSwitch: Boolean;publicproperty WriteLogSwitch: Boolean read GetWriteLogSwitch; //日志开关: 0, 不写; 1, 写入procedure WriteEventLog(OperatorId: Integer; Content: string); //写入事件日志,受 WriteLogSwitch 值影响end;...