goto exit
... if (b == 0) // can't divide by 0 goto DivideByZero; int result = a/b; FILE *file; if ((file=fopen(fileName, "w")) == NULL) goto FileError; else fprintf(file, "%d/%d=%d-n", a, b, result); printf("save to file %s : %d/%d=%,以C/C++ 語言來說, goto 是可以完全避免的. 但強逼不用goto, 有時反而會降低程式的可讀性. 比方說要從幾層深的nested loop 裡跳出來: while (...) for (...) if (...) goto EXIT; } for (...) if (...) goto EXIT; } } EXIT: 剛開始學structural programming 的人, 的確應該不要用goto, 因為太方便了, 容易造成懶得思考. 就像你的程式, 如果不限制 ... , myNumber); goto Finish; Found: Console.WriteLine("The number 0} is found.", myNumber); Finish: Console.WriteLine("End of search."); // Keep the console open in debug mode. Console.WriteLine("Press any key to exit."); Console, Exit Do | For | Function | Property | Select | Sub | Try | While }. 陳述式Statements. Exit Do 立即結束 Do 迴圈中會出現。Immediately exits the Do loop in which it appears. 執行會繼續進行之後的陳述式 Loop 陳述式。Execution continues with the statement following the Loop statement. Exit, DECLARE @Counter int; SET @Counter = 1; WHILE @Counter < 10 BEGIN SELECT @Counter SET @Counter = @Counter + 1 IF @Counter = 4 GOTO Branch_One --Jumps to the first branch. IF @Counter = 5 GOTO Branch_Two --This will never execute. END Branch_One: SELEC, 1,goto goto 在Fortran77中就流传下来了，它提供一个任意跳跃到所赋值行代码的位置，如果是在一个do 循环中如do ... ,科学网.,The %GOTO statement is useful in large macros when you want to provide an exit if an error occurs. %macro check(parm); %local status; %if &parm= %then %do; %put ERROR: You must supply a parameter to macro CHECK.; %goto exit; %end; more macro statement,The %GOTO statement is useful in large macros when you want to provide an exit if an error occurs. %macro check(parm); %local status; %if &parm= %then %do; %put ERROR: You must supply a parameter to macro CHECK.; %goto exit; %end; more macro statement,Nested IF/ELSE statements can easily become complex, especially since the IF statement is indentation sensitive. The GOTO and EXIT statements allow you to avoid these complexities and achieve enhanced performance during panel processing. You can transfer ,The break statement: It is a keyword used with loop and switch case to transfer the control to outside the block. Syntax: break;. When the break statement is encountered inside a loop, the loop is immediately terminated and program control jump to the nex
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 goto exit 相關參考資料
高等C 語言-- 短程跳躍(goto) - 陳鍾誠的網站
... if (b == 0) // can't divide by 0 goto DivideByZero; int result = a/b; FILE *file; if ((file=fopen(fileName, "w")) == NULL) goto FileError; else fprintf(file, "%d/%d=%d-n"... http://ccckmit.wikidot.com GOTO的迷思 C++ 程式設計俱樂部
以C/C++ 語言來說, goto 是可以完全避免的. 但強逼不用goto, 有時反而會降低程式的可讀性. 比方說要從幾層深的nested loop 裡跳出來: while (...) for (...) if (...) goto EXIT; } for (...) if (...) goto EXIT; } } EXIT: 剛開始學structural programming 的人, 的... http://www.programmer-club.com goto (C# 參考) | Microsoft Docs
myNumber); goto Finish; Found: Console.WriteLine("The number 0} is found.", myNumber); Finish: Console.WriteLine("End of search."); // Keep the console open in debug mode. Console... https://docs.microsoft.com Exit 陳述式(Visual Basic) | Microsoft Docs
Exit Do | For | Function | Property | Select | Sub | Try | While }. 陳述式Statements. Exit Do 立即結束 Do 迴圈中會出現。Immediately exits the Do loop in which it appears. 執行會繼續進行之後的陳述式 Loop 陳述式。Execution continue... https://docs.microsoft.com GOTO (Transact-SQL) - Microsoft Docs
DECLARE @Counter int; SET @Counter = 1; WHILE @Counter < 10 BEGIN SELECT @Counter SET @Counter = @Counter + 1 IF @Counter = 4 GOTO Branch_One --Jumps to the first branch. IF @Counter = 5 GOTO Bran... https://docs.microsoft.com 科学网—[转载]FORTRAN 中的gotoexitcycle用法- 隋心的博文
1,goto goto 在Fortran77中就流传下来了，它提供一个任意跳跃到所赋值行代码的位置，如果是在一个do 循环中如do ... ,科学网. http://blog.sciencenet.cn Macro Statements: %GOTO Statement - SAS Support
The %GOTO statement is useful in large macros when you want to provide an exit if an error occurs. %macro check(parm); %local status; %if &parm= %then %do; %put ERROR: You must supply a parameter ... http://support.sas.com Macro Language Dictionary : %GOTO - SAS OnlineDoc, V8
The %GOTO statement is useful in large macros when you want to provide an exit if an error occurs. %macro check(parm); %local status; %if &parm= %then %do; %put ERROR: You must supply a parameter ... https://v8doc.sas.com EXIT and GOTO statements - IBM
Nested IF/ELSE statements can easily become complex, especially since the IF statement is indentation sensitive. The GOTO and EXIT statements allow you to avoid these complexities and achieve enhanced... https://www.ibm.com break, continue, exit() and goto - Codequiz.in
The break statement: It is a keyword used with loop and switch case to transfer the control to outside the block. Syntax: break;. When the break statement is encountered inside a loop, the loop is imm... http://www.codequiz.in |