Fixed some things.

src/include/parser.h

@@ -10,21 +10,4 @@
 // - Expression 1
 // - Expression 2
 
-typedef enum OpType {
-    OPTYPE_PLUS,
-    OPTYPE_MINUS
-} optype_t;
-
-typedef union Exp {
-    typedef struct Op {
-        optype_t type;
-        Exp* exp1;
-        Exp* exp2;
-    } op_t;
-
-    int n;
-} exp_t;
-
-
-
 #endif

src/include/util.c

@@ -1,12 +0,0 @@
-#ifndef UTIL_H
-#define UTIL_H
-
-// Utilies.
-
-#include <stdlib.h>
-#include <stdio.h>
-
-// Exit with an error. Returns int for ease of use, but should be treated as void.
-int die(char* msg);
-
-#endif

src/util.c

@@ -1,6 +1,3 @@
 #include "include/util.h"
 
-int is_even(int n) {
+int is_even(int n) { return !(n % 2); }
-    return !(n%2);
-}
-