diff --git a/include/tlibc/collections/Array.h b/include/tlibc/collections/Array.h
index c7ac583..631db5a 100755
--- a/include/tlibc/collections/Array.h
+++ b/include/tlibc/collections/Array.h
@@ -36,4 +36,13 @@ static inline Array_ Array_copy(Array_ src){
 #define Array_len(AR, T) ((AR)->size / sizeof(T))
 #define Array_memset(A, VAL) memset((A)->data, VAL, (A)->size)
 
-#define struct_castTo_Array(STRUCT_PTR) Array_construct_size((STRUCT_PTR), sizeof(*STRUCT_PTR))
\ No newline at end of file
+#define struct_castTo_Array(STRUCT_PTR) Array_construct_size((STRUCT_PTR), sizeof(*STRUCT_PTR))
+
+static inline Array(u8) Array_sliceBefore(Array(u8) a, u32 n){
+    return Array_construct_size(a.data, n);
+}
+
+
+static inline Array(u8) Array_sliceAfter(Array(u8) a, u32 n){
+    return Array_construct_size((u8*)a.data + n, a.size - n);
+}