Add lists (MEMORY ERRORS)

src/types.h

@@ -27,6 +27,16 @@ struct GroundValue;
 
 struct List;
 
+/*
+ * Custom data type that stores Ground values.
+ * Associated functions:
+ *    createList(), appendToList(), getListAt(), setListAt()
+ */
+typedef struct List {
+    size_t size;
+    struct GroundValue* values;
+} List;
+
 /*
  * Stores literal values created in a Ground program.
  * Associated functions:
@@ -41,21 +51,11 @@ typedef struct GroundValue {
         char* stringVal;
         char charVal;
         bool boolVal;
-        struct List* listVal;
+        List listVal;
         void* customVal;
     } data;
 } GroundValue;
 
-/*
- * Custom data type that stores Ground values.
- * Associated functions:
- *    createList(), appendToList(), getListAt(), setListAt()
- */
-typedef struct List {
-    size_t size;
-    GroundValue* values;
-} List;
-
 /*
  * Indicates status when accessing a list.
  * Associated functions:
@@ -107,6 +107,9 @@ GroundValue createCharGroundValue(char in);
 // Creates a GroundValue containing (in), with type BOOl.
 GroundValue createBoolGroundValue(bool in);
 
+// Creates a GroundValue containing (in), with type LIST.
+GroundValue createListGroundValue(List in);
+
 // If (gv) contains any data stored on the heap, frees it.
 void freeGroundValue(GroundValue* gv);