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 Add(a, b: TString ): TString; end; 1. 2. 3. 4. 5. 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();...
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...
,/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;. ...
TOperatorType = (otAdd, otSub, otMul, otDiv); TDataRec = record case Kind: TTokenType of ttNumber : ( Number: Single ); ttOperator : ( Operator: TOperatorType ); end; PDataRec = ^TDataRec; TSimpleCalc = class private
热度: Delphi实现字符串的二维表:TSta STA单元(用到System.SysUtils.TStringHelper): unitSTA; interfaceusesSystem.SysUtils,System.Classes; type TSta=recordFSeparator:Char; FArr:TArray>;constructorCreate(constaStr:string;const aSeparator:Char=';');overload;classoperatorExplicit(constaStr:string): ...
Object or class type required需要对象或类类型 Object type required需要对象类型 Only register calling convention allowed in OLE automation section在OLE自动区段中只允许寄存器调用约定 Operand size mismatch运算对象大小匹配 Operator not applicable to this operand type运算符不使用于这一运算对象类型 Order of ...