Another update from ingydotnet^djgoku

Task/Short-circuit-evaluation/Batch-File/short-circuit-evaluation.bat

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+%=== Batch Files have no booleans. ===%
+%=== I will instead use 1 as true and 0 as false. ===%
+
+@echo off
+setlocal enabledelayedexpansion
+echo AND
+for /l %%i in (0,1,1) do (
+for /l %%j in (0,1,1) do (
+		echo.a^(%%i^) AND b^(%%j^)
+		call :a %%i
+		set res=!bool_a!
+		if not !res!==0 (
+			call :b %%j
+			set res=!bool_b!
+		)
+		echo.=^>	!res!
+)
+)
+
+echo ---------------------------------
+echo OR
+for /l %%i in (0,1,1) do (
+	for /l %%j in (0,1,1) do (
+		echo a^(%%i^) OR b^(%%j^)
+		call :a %%i
+		set res=!bool_a!
+		if !res!==0 (
+			call :b %%j
+			set res=!bool_b!
+		)
+		echo.=^>	!res!
+	)
+)
+pause>nul
+exit /b 0
+
+
+::----------------------------------------
+:a
+echo.	calls func a
+set bool_a=%1
+goto :EOF
+
+:b
+echo.	calls func b
+set bool_b=%1
+goto :EOF