void

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Why can't I explicitly return void from a method?

void run() { ... if (done) return canc开发者_Python百科el(); ... } where cancel() return void. This won\'t compile... and I can almost understand why. But if I want to return a void from a void, why[详细]

2023-04-13 08:53 分类：问答
Void vs Int Functions

What would be the different between void and int functions? When do i use which? Would void be used whe开发者_JAVA百科n just printing out a message or a variable value? like cout << value;[详细]

2023-04-11 16:28 分类：问答
New to Objective-C. Trying to pass arguments through a void function, guessing I can't do that?

I am new to Objective C. I am trying to write a void function 开发者_开发问答in my implementation file with arguments however xcode doesn\'t like that. I did some research and it appears I can\'t do t[详细]

2023-04-08 22:42 分类：问答
A void* being used to maintain state... (C programming)

Currently we are learning how to program AVR micro-controllers (Ansi C89 standard only). Part of the included drivers is a header that deals with scheduling ie running tasks at different rates.My ques[详细]

2023-04-08 20:45 分类：问答
return *this c++

if you have a clear() function that clears all elements in an array, do you use the void type or the referens to the type you are working with and returning *this.[详细]

2023-04-05 13:17 分类：问答
Strange error with NSTimer (I believe)

I\'m making an app where I use an NSTimer to make a loop. When the app starts, in viewDidAppear I check if a certain value in NSUserDefaults is set, and if it\'s not I show the user an UIAlertView wit[详细]

2023-04-05 09:10 分类：问答
Why does this class freeze the program?

This class should read some lines from a data and from them to variables which i can use in further operations. but for some reason it freezes if it detected the data and try to load it. why?[详细]

2023-04-03 14:56 分类：问答
When printf is an address of a variable, why use void*?

I saw some usage of (void*) in printf(). If I want to print a variable\'s address, can I do it like this:[详细]

2023-04-02 18:53 分类：问答
Using void pointers in generic accessor function with ANSI C

I have a working example of a piece of C code that I\'m using to teach myself about using pointers effectively in a non-trivial application. (I have a dream to contribute a missing feature to a C libr[详细]

2023-04-02 03:20 分类：问答
Array of void pointers in C

I would like to create arrays of void pointers. # include <stdio.h> # include <stdlib.h> # include <unistd.h>[详细]

2023-04-01 12:12 分类：问答