UKismetArrayLibrary::Array_Swap
#include "Kismet/KismetArrayLibrary.h"
Access: public
Specifiers: staticBlueprintCallableCustomThunk
Description
Swaps the elements at two indices in an array.
Caveats & Gotchas
- • If FirstIndex and SecondIndex are equal, the call is a safe no-op.
- • Out-of-range indices log a warning and leave the array unchanged rather than crashing.
- • Displayed in Blueprint as 'Swap Array Elements' with CompactNodeTitle 'SWAP'.
Signature
static void Array_Swap(UPARAM(ref) TArray<int32>& TargetArray, int32 FirstIndex, int32 SecondIndex);Parameters
| Name | Type | Description | Default |
|---|---|---|---|
| TargetArray | UPARAM(ref) TArray<int32>& | The array to perform the swap in. Passed by reference and mutated in place. | — |
| FirstIndex | int32 | The index of one element to swap. | — |
| SecondIndex | int32 | The index of the other element to swap. | — |
Return Type
void Example
Swap two elements C++
TArray<int32> Values = { 1, 2, 3 };
UKismetArrayLibrary::Array_Swap(Values, 0, 2);
// Values is now { 3, 2, 1 }Tags
Version History
Introduced in: unknown
| Version | Status | Notes |
|---|---|---|
| 5.6 | stable | — |
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