use -Wextra when compiling and fix some warnings produced by it

1 files changed, 3 insertions, 0 deletions

diff --git a/eval.c b/eval.c
index 8325c1f..89b6730 100644
--- a/eval.c
+++ b/eval.c
@@ -75,6 +75,7 @@ struct atom *builtin_quote(struct atom *expr, struct env *env)
 {
     struct list *list = expr->list;
     struct atom *op = LIST_FIRST(list);
+    (void) env;
     return atom_clone(LIST_NEXT(op, entries));
 }
 
@@ -84,6 +85,8 @@ struct atom *builtin_atom(struct atom *expr, struct env *env)
     struct atom *op = LIST_FIRST(list);
     struct atom *a = LIST_NEXT(op, entries);
 
+    (void) env;
+
     if (!a)
         return &nil_atom;