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-rw-r--r--dimension/tokenize.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/dimension/tokenize.h b/dimension/tokenize.h
index 4eb1109..98a9c2f 100644
--- a/dimension/tokenize.h
+++ b/dimension/tokenize.h
@@ -17,6 +17,9 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
*************************************************************************/
+#ifndef TOKENIZE_H
+#define TOKENIZE_H
+
#include "../libdimension/dimension.h"
typedef enum {
@@ -536,3 +539,5 @@ void dmnsn_print_token_sexpr(FILE *file, const dmnsn_array *tokens);
/* Returns a readable name for a token type (ex. DMNSN_T_FLOAT -> float) */
const char *dmnsn_token_string(dmnsn_token_type token_type);
+
+#endif /* TOKENIZE_H */