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-rw-r--r--kd-forest.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/kd-forest.h b/kd-forest.h
index 75d8666..4cf5750 100644
--- a/kd-forest.h
+++ b/kd-forest.h
@@ -51,6 +51,6 @@ void kdf_init(kd_forest_t *kdf);
void kdf_destroy(kd_forest_t *kdf);
void kdf_insert(kd_forest_t *kdf, kd_node_t *node);
void kdf_remove(kd_forest_t *kdf, kd_node_t *node);
-kd_node_t *kdf_find_nearest(kd_forest_t *kdf, kd_node_t *target);
+kd_node_t *kdf_find_nearest(kd_forest_t *kdf, const kd_node_t *target);
#endif // KD_FOREST_H