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Oct 29, 2008 · In this thread, we look at examples of good uses of goto in C or C++. It's inspired by an answer which people voted up because they thought I was joking. Summary (label changed from original to make intent even clearer): infinite_loop: // code goes here. goto infinite_loop; Why it's better than the alternatives:
Apr 7, 2014 · 10. That's because goto skips the shadowing variable i 's initialization. This is one of the minor nuances of the differences between C and C++. In strict C++ go to crossing variable initialization is an error, while in C it's not. GCC also confirms this, when you compile with -std=c11 it allows while with std=c++11 it complains: jump to label ...
Apr 25, 2009 · goto is just plain fast, especially if you're careful to make sure that it compiles to a short jump. Perfect for applications where speed is a premium. For other applications, it probably makes sense to take the overhead hit with if/else + case for maintainability. Remember: goto doesn't kill applications, developers kill applications.
Dec 2, 2012 · 1. Yes, this is one alternative to goto for breaking out of multiple loops at once. Put every inner loop in a function. The reason it works is because the return statement actually is like a goto itself, that jumps to the end of the function. – potrzebie.
Aug 30, 2013 · Even in C / C++ it's possible to use goto, and that language even has a formal, ISO specification. So, probably, there should be some case where only by using goto it's possible to accomplish some task. Then, why and when should a goto be used in C / C++ ? Edit: Just to make sure: 1 - this question doesn't require debate.
Aug 19, 2010 · 112. Nothing is wrong with goto if it is used properly. The reason it is "taboo" is because in the early days of C, programmers (often coming from an assembly background) would use goto to create incredibly hard-to-understand code. Most of the time, you can live without goto and be fine.
For example, lets pretend Python had a goto and corresponding label statement shudder. Look at the following code. In it if a number is greater than or equal to 0 we print if it . number = input() if number < 0: goto negative if number % 2 == 0: print "even" else: print "odd" goto end label: negative print "negative" label: end print "all done"
Jun 3, 2010 · "GOTO Statement Considered Harmful", by the late Edsger W. Dijkstra, does a good job of covering the issue. That paper should be required reading for every software developer on the planet. It is worth noting that the Gypsy language, from Don Good's group at UT Austin in the late 1970s, did not have a goto.
Feb 20, 2022 · The goto statement unconditionally transfers control to the statement labeled by the identifier. The identifier shall be a label (6.1) located in the current function. ...or in Standard C. From $6.8.6.1/1 of the C Language Standard. The identifier in a goto statement shall name a label located somewhere in the enclosing function.
Mar 23, 2017 · Jul 1, 2011 at 10:22. 6. @Massif: "still" was intended to emphasise the modern opinion of the use of "goto" as a prelude to spaghetti code and a lack of readbility in source code. Very rarely do you see any code examples including this particular keyword which was why I was interested in asking in the first place. – Brian Scott.
