Finally Class Reference

Helper class which calls a function when being destroyed. More...

#include <jngl/Finally.hpp>

Public Member Functions
	Finally (std::function< void()> functionToCall)
	functionToCall will be moved into the member with the same name More...
	Finally (Finally &&) noexcept
	The moved-from Finally object will no longer call the function.
Finally &	operator= (Finally &&) noexcept
	The moved-from Finally object will no longer call the function.
	Finally (const Finally &)=delete
Finally &	operator= (const Finally &)=delete
	~Finally ()
	Calls the function which has been passed into the constructor.

Detailed Description

Helper class which calls a function when being destroyed.

Useful when using C interfaces without the need to write a wrapper class. For example:

void foo() {
    FILE* f = fopen("foo.txt", "r");
    Finally _([f]() { fclose(f); };
    // ...
}

Definition at line 22 of file Finally.hpp.

Constructor & Destructor Documentation

Finally()

Finally ( std::function< void()>  functionToCall )

explicit

functionToCall will be moved into the member with the same name

You can pass nullptr to do nothing.

---

The documentation for this class was generated from the following file:

• jngl/Finally.hpp