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TChar::ToUnsigned

Avoid sign extension problems with signed characters smaller than int

Windows

MacOS

Linux

References

Module	Core
Header	/Engine/Source/Runtime/Core/Public/Misc/Char.h
Include	#include "Misc/Char.h"

Syntax

static constexpr uint32 ToUnsigned
(
CharType Char
)

Remarks

Avoid sign extension problems with signed characters smaller than int

E.g. 'Ö' - 'A' is negative since the char 'Ö' (0xD6) is negative and gets sign-extended to the 32-bit int 0xFFFFFFD6 before subtraction happens.

Mainly needed for subtraction and addition.

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