Method begin

KBotExt/imgui/imgui.h:2306–2306

	ImGuiTextBuffer() { }
	inline char         operator[](int i) const { IM_ASSERT(Buf.Data != NULL); return Buf.Data[i]; }
	const char* begin() const { return Buf.Data ? &Buf.front() : EmptyString; }
	const char* end() const { return Buf.Data ? &Buf.back() : EmptyString; }   // Buf is zero-terminated, so end() will point on the zero-terminator
	int                 size() const { return Buf.Size ? Buf.Size - 1 : 0; }
	bool                empty() const { return Buf.Size <= 1; }