diff --git a/includes/std/core.pat b/includes/std/core.pat
index 17b199f..8081c99 100644
--- a/includes/std/core.pat
+++ b/includes/std/core.pat
@@ -30,7 +30,7 @@ namespace std::core {
 
     
     fn set_bitfield_order(BitfieldOrder order) {
-        builtin::std::core::set_bitfield_order(order);
+        builtin::std::core::set_bitfield_order(u32(order));
     };
 
     fn get_bitfield_order() {
@@ -54,4 +54,7 @@ namespace std::core {
         return builtin::std::core::formatted_value(pattern);
     };
 
+    fn is_valid_enum(ref auto pattern) {
+        return builtin::std::core::is_valid_enum(pattern);
+    };
 }
diff --git a/includes/std/hash.pat b/includes/std/hash.pat
index 2612c51..de5fbb1 100644
--- a/includes/std/hash.pat
+++ b/includes/std/hash.pat
@@ -2,28 +2,8 @@
 
 namespace std::hash {
 
-    fn crc32(u128 address, u64 size, u32 init, u32 poly) {
-        u8 byte;
-        u32 crc, mask;
-        
-        crc = init;
-        
-        u64 i;
-        while (i < size) {
-            byte = std::mem::read_unsigned(address + i, 1);
-            crc = crc ^ byte;
-            
-            u8 j;
-            while (j < 8) {
-                mask = u32(-(crc & 1));
-                crc = (crc >> 1) ^ (poly & mask);
-                j = j + 1;
-            }
-            
-            i = i + 1;
-        }
-        
-        return u32(~crc);
+    fn crc32(ref auto pattern, u32 init, u32 poly) {
+        return builtin::std::hash::crc32(pattern, init, poly)
     };
 
 }
\ No newline at end of file