diff --git a/include/collections/Array.h b/include/collections/Array.h
index 8b0f3a1..dac9f94 100755
--- a/include/collections/Array.h
+++ b/include/collections/Array.h
@@ -7,12 +7,12 @@ typedef struct Array {
 } Array;
 
 /// creates Array from a const array
-#define Array_CONST(T, A...) Array_construct_size(((T[])A), sizeof((T[])A))
+#define ARRAY(T, A...) Array_construct_size(((T[])A), sizeof((T[])A))
 
 #define Array_construct(DATA, T, COUNT) Array_construct_size(DATA, (COUNT) * sizeof(T))
 #define Array_construct_size(DATA, LEN) ((Array){ .data = (DATA), .size = (LEN) })
 
-#define Array_alloc(T, COUNT) Array_alloc((COUNT) * sizeof(T))
+#define Array_alloc(T, COUNT) Array_alloc_size((COUNT) * sizeof(T))
 
 static inline Array Array_alloc_size(u32 size){
     return Array_construct_size(malloc(size), size);
@@ -25,4 +25,5 @@ static inline void Array_realloc_size(Array* ar, u32 new_size){
     ar->size = new_size;
 }
 
-#define Array_len(AR, T) ((AR)->size / sizeof(T))
\ No newline at end of file
+#define Array_len(AR, T) ((AR)->size / sizeof(T))
+#define Array_memset(A, VAL) memset((A)->data, VAL, (A)->size)
\ No newline at end of file
diff --git a/src/collections/HashMap.c b/src/collections/HashMap.c
index ce78cb9..1a50cc7 100755
--- a/src/collections/HashMap.c
+++ b/src/collections/HashMap.c
@@ -6,7 +6,7 @@
 #define __HashMap_HASH_FUNC str_hash32
 #define __HashMapBucket_MAX_LEN 16
 
-static const Array __HashMap_heights = Array_CONST(u32, {
+static const Array __HashMap_heights = ARRAY(u32, {
     17, 31, 61, 127, 257, 521, 1021, 2053, 4099, 8191, 16381, 32771,
     65521, 131071, 262147, 524287, 1048583, 2097169, 4194319,
     8388617, 16777213, 33554467, 67108859, 134217757, 268435493