# UE Cpp

## On Scope Exit

```cpp
ON_SCOPE_EXIT
{
    // Cleanup
};
```

## FString

```cpp
/**
 * Breaks up a delimited string into elements of a string array.
 *
 * @param	InArray		The array to fill with the string pieces
 * @param	pchDelim	The string to delimit on
 * @param	InCullEmpty	If 1, empty strings are not added to the array
 *
 * @return	The number of elements in InArray
 */
int32 ParseIntoArray( TArray<FString>& OutArray, const TCHAR* pchDelim, bool InCullEmpty = true ) const;
```

## TGuardValue

```cpp
/** 
 * exception-safe guard around saving/restoring a value.
 * Commonly used to make sure a value is restored 
 * even if the code early outs in the future.
 * Usage:
 *  	TGuardValue<bool> GuardSomeBool(bSomeBool, false); // Sets bSomeBool to false, and restores it in dtor.
 */
```