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-rw-r--r--src/visitor.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/visitor.c b/src/visitor.c
index 3c28245..a6fc040 100644
--- a/src/visitor.c
+++ b/src/visitor.c
@@ -41,6 +41,7 @@ bool is_built_in(ast_t *e) {
strcmp(cmp, "cons") == 0)
return true;
+ /* Comparison functions */
if (strcmp(cmp, "<") == 0 || strcmp(cmp, ">") == 0 || strcmp(cmp, "=") == 0 ||
strcmp(cmp, "<=") == 0 || strcmp(cmp, ">=") == 0 ||
strcmp(cmp, "eq") == 0)