Hashtable update

- use consistent type for key by introducing a new typedef
- use unsigned types for sizes
- name parameters in foreach function typedef

1 files changed, 1 insertions, 1 deletions

diff --git a/Vector.h b/Vector.h
index 70688152..ec354b16 100644
--- a/Vector.h
+++ b/Vector.h
@@ -54,7 +54,7 @@ void Vector_set(Vector* this, int idx, void* data_);
 
 Object* Vector_get(Vector* this, int idx);
 int Vector_size(const Vector* this);
-int Vector_count(const Vector* this);
+unsigned int Vector_count(const Vector* this);
 
 #else /* NDEBUG */