diff --git a/lib/bool.gem b/lib/bool.gem
new file mode 100644
index 0000000..e028294
--- /dev/null
+++ b/lib/bool.gem
@@ -0,0 +1,7 @@
+
+import "def.gem"
+
+type unsigned int: bool
+
+static bool: TRUE = 1
+static bool: FALSE = 0