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API > API/Runtime > API/Runtime/Core > API/Runtime/Core/Containers > API/Runtime/Core/Containers/TDefaultMapHashableKeyFuncs
Type
typedef decltype(GetTypeHash(DeclVal< const KeyType >())) HashabilityCheck
References
| Module | Core |
| Header | /Engine/Source/Runtime/Core/Public/Containers/Map.h |
| Include | #include "Containers/Map.h" |
Remarks
Check that the key type is actually hashable
If this line fails to compile then your key doesn't have a GetTypeHash() overload.