UBPUtilsArrayLibrary Class Reference

Static Public Member Functions
static bool	ArrayHasAny (const TArray< UProperty * > &Array)
	Checks if an array has any elements. More...
static bool	ArrayIsEmpty (const TArray< UProperty * > &Array)
	Checks if an array does not have any elements. More...
static void	ArraySample (const TArray< int32 > &Array, int32 &Item)
	Selects a random element from the given array. More...
static bool	ArrayTryGet (const TArray< int32 > &Array, const int32 Index, int32 &Item)
	Tries to get an element from the array, can fail without throwing an error. More...
static TArray< UObject * >	ObjectArrayFilter (const TArray< UObject * > &Array, const FObjectArrayFilterDelegate &Callback)
	Filters an array using the given delegate function Filter function signature is UObject* -> bool where the item is retained if the function returns true. More...

Member Function Documentation

ArrayHasAny()

bool UBPUtilsArrayLibrary::ArrayHasAny ( const TArray< UProperty * > &  Array )

static

Checks if an array has any elements.

Parameters

Array

The array to check

Returns

True if the array has any elements

ArrayIsEmpty()

bool UBPUtilsArrayLibrary::ArrayIsEmpty ( const TArray< UProperty * > &  Array )

static

Checks if an array does not have any elements.

Parameters

Array

The array to check

Returns

True if the array does not have any elements

ArraySample()

void UBPUtilsArrayLibrary::ArraySample ( const TArray< int32 > &  Array, int32 &  Item  )

static

Selects a random element from the given array.

Returns NULL if the array is empty.

Parameters

Array

The array to sample from

Return values

Item	The randomly chosen element

ArrayTryGet()

bool UBPUtilsArrayLibrary::ArrayTryGet ( const TArray< int32 > &  Array, const int32  Index, int32 &  Item  )

static

Tries to get an element from the array, can fail without throwing an error.

Returns NULL if the index is invalid.

Parameters

Array	The array to sample from
Index	The index to try to use

Return values

Item	The element at that index if valid, or NULL
Success	True if the index was valid

ObjectArrayFilter()

TArray< UObject * > UBPUtilsArrayLibrary::ObjectArrayFilter ( const TArray< UObject * > &  Array, const FObjectArrayFilterDelegate &  Callback  )

static

Filters an array using the given delegate function Filter function signature is UObject* -> bool where the item is retained if the function returns true.

Parameters

Array	The array to sample from
Callback	The filter function

Returns

New array containing filtered items