Add comment to ArrayU32AppendFelt

HerodotusDev · Jan 4, 2024 · 031b204 · 031b204
1 parent 72e23d8
commit 031b204
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/common/array_append.cairo b/src/common/array_append.cairo
@@ -33,6 +33,8 @@ impl ArrayU32AppendU256 of ArrayAppendTrait<u32, u256> {
     }
 }
 
+// input's MSB is padded with 0s
+// (internally felt252 is converted to u256)
 impl ArrayU32AppendFelt of ArrayAppendTrait<u32, felt252> {
     fn append_little_endian(ref self: Array<u32>, element: felt252) {
         self.append_little_endian(Into::<felt252, u256>::into(element));