_ShrinkAtBy
char* _ShrinkAtBy(int32 offset, int32 length);
if (!_ShrinkAtBy(pos, -difference))
if (!_ShrinkAtBy(pos, -difference))
_ShrinkAtBy(from, min_clamp0(length, (Length() - from)));
_ShrinkAtBy(pos, string.Length());
_ShrinkAtBy(pos, string.Length());
_ShrinkAtBy(pos, length);
_ShrinkAtBy(pos, length);