a wrapper around strings

include/util.h

@@ -1,6 +1,17 @@
 #ifndef UTIL_H
 #define UTIL_H
 
+#include <stdbool.h>
+
+typedef enum {
+	LESS,
+	LESS_EQUAL,
+	EQUAL,
+	NOT_EQUAL,
+	GREATER,
+	GREATER_EQUAL
+} compare_e;
+
 typedef long unsigned int size_t;
 
 typedef enum {
@@ -8,7 +19,8 @@ typedef enum {
 	FLOAT  = 1,
 	CHAR   = 2,
 	VECTOR = 3, // allows for multi-dimensional arrays
-	LIST   = 4
+	LIST   = 4,
+	BOOL   = 5
 } dataType_e;
 
 char* intToString(int x);                       // convert an int into a string