What's the difference between these two functions? auto func(int a, int b) -> int; int func(int a, int b);

I am trying to write a function that takes some strings and does something with them. The only thing I'm going to do that the set of strings is loop over them. Right now I end up with an awkward ...

Possible Duplicate: Generating a Call Graph in R I'd like to systematically analyze a given function to find out which other functions are called within that very function. If possibl...

Consider we have: abstract class FlyingObject; case class Rocket(name: String) extends FlyingObject; what is difference between those two function declarations: def launch[T <: FlyingObject]...

I was just browsing through gcc source files. In gcc.c, I found something like extern int main (int, char **); int main (int argc, char **argv) { Now my doubt is extern is to tell the compiler ...

First of, I know there are similar questions already on stackoverflow (this, this and this one) and that is why I understand the why of my problem. Unfortunately, that doesn't help me to solve it. ...

I use the ROOT C++ libraries (root.cern.ch) daily and was browsing the source when I came across this function declaration: TString TString::Format(const char *va_(fmt), ...) { //etc. It can be...

In Python, I'm used to things like def send_command(command, modifier = None): and then the modifier argument is optional, and the absence of the argument can be differentiated from an argument...

Is there a way to declare a function before defining it in OCaml? I'm using an OCaml interpreter. I have two functions: let myFunctionA = (* some stuff here..... *) myFunctionB (*some stuff *) ...

How does the following code work even though the signature of the function in the declaration doesn't match with the definition? The function declaration has empty parameter list, yet the definitio...

I've noticed that (although I was once told that (a -> a) and a -> a meant the same thing), I get error messages when I use the (a -> a). Should I only use (a -> a) when using brackets ...

I thought the difference is that declaration doesn't have parameter types... Why does this work: int fuc(); int fuc(int i) { printf("%d", i); return 0; } but this fails compiling: int fuc()...

Any function that consists of a return statement only could be declared constexpr and thus will allow to be evaluated at compile time if all arguments are constexpr and only constexpr functions are...

The following code works: int main() { void foo(int); foo(3); return 0; } void foo(a) int a; { printf("In foo\n"); } but this one does not: int main() { void foo(float); foo(3.24); retur...

I know that minimum number of parameters in function definition is zero, but what is the maximum number of parameters in function definition? I am asking the question just for the sake of knowledge...

I have a series of functions with the same prototype, say int func1(int a, int b) { // ... } int func2(int a, int b) { // ... } // ... Now, I want to simplify their definition and declaration....

I don't understand why the declaration below is accepted: typedef void (*_tStandardDeclaration)(LPVOID); while the following doesn't: typedef void *_tDeclarationWithoutParenthesis(LPVOID); type...

Nowadays , i was reading the APUE.and i found the function defined as below: void (*signal(int signo, void (*func)(int)))(int); i was confused, i know signal is pointer to a function and the las...