function-pointers

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Pass any member function of any class as a Callback function

I\'m working on a OpenGL me开发者_运维知识库nu which contains some buttons. I want to be able to associate an action (member function (with a fixed signature) of any class!) to a button which gets exe[详细]

2023-03-02 17:06 分类：问答
getting a must have (pointer-to) function type on a variable that is defined as a (pointer-to) function type

I am creating a typedef for a function that will be used to call arbitrary functions that are stored in a string to function pointer ma开发者_开发技巧p. I am sure that the problem has something to do[详细]

2023-03-01 18:37 分类：问答
Encapsulate method without parameters and with return value

I\'m looking for something like Action<T> (\"Encapsulates a method that has a single parameter and does not return a value\") and like Func<T, TResult> (\"Encapsulates a method that has on[详细]

2023-03-01 11:02 分类：问答
C++ Get a function pointer or eval a function using the functions name stored in a string

I am working on a 开发者_C百科parser for natural language. Words from natural language are parsed to the concepts that they represent. The purpose is to allow a robot to interpret commands given in na[详细]

2023-02-28 21:34 分类：问答
register callback in one application to be retrieved in another

gcc 4.6.0 c89 I have type of client server application. The server some code in an event loop that will wait for an event from the client.[详细]

2023-02-28 20:33 分类：问答
function pointers and pointer arguments in C

Complete noob to C, just getting started with some goofing around, wondering how (read \"if\") the following is possible.[详细]

2023-02-28 17:13 分类：问答
Function injection in objective-c

I have a random number generator (R开发者_C百科NG) function. -(double) generateRandomNumber { ... do some stuff[详细]

2023-02-27 22:59 分类：问答
Function parameters

What I have to put as second parameter in this function? I need to unders开发者_StackOverflow社区tand the meaning of int (*fn)(const char *, const struct stat *ptr, int flag).[详细]

2023-02-27 05:43 分类：问答
Splint warning "Statement has no effect" due to function pointer

I\'m trying to chec开发者_JAVA技巧k a C program with Splint (in strict mode). I annotated the source code with semantic comments to help Splint understand my program. Everything was fine, but I just c[详细]

2023-02-27 00:51 分类：问答
Passing function as class template argument

Without knowing a function\'s type, I am declaring its pointer with below technique and initializing a function pointer.[详细]

2023-02-25 21:42 分类：问答