PIScopeExitCall Class Reference

Class for executing a function upon scope exit. More...

#include <pibase.h>

Public Member Functions
	PIScopeExitCall (std::function< void()> f)
	Constructor that takes a function to execute.
	~PIScopeExitCall ()
	Destructor that executes the function if it exists.
void	cancel ()
	Method for canceling the function.
void	call ()
	Method for call the function.
void	callAndCancel ()
	Method for call and canceling the function.

Detailed Description

Class for executing a function upon scope exit.

Example

bool yourFunc() {
    PIScopeExitCall error_call([]() { piCout << "Error!"; });
    ...
    if (!good0) {
        ...
        return false;
    }
    if (!good1) {
        ...
        return false;
    }
    ...
    error_call.cancel();
    return true;
}

In this example "Error!" will be printed on every false function return.