Add >> operator similar to C++; Helps with type inference

rlp.nim

@@ -391,6 +391,10 @@ proc toNodes*(self: var Rlp): RlpNode =
 template read*(rlp: var Rlp, T: type): auto =
   readImpl(rlp, T)
 
+proc `>>`*[T](rlp: var Rlp, location: var T) =
+  mixin read
+  location = rlp.read(T)
+
 template readRecordType*(rlp: var Rlp, T: type, wrappedInList: bool): auto =
   readImpl(rlp, T, wrappedInList)
 

tests/test_api_usage.nim

@@ -105,8 +105,12 @@ test "encode and decode lists":
   list.enterList
   check list.toString == "Lorem ipsum dolor sit amet"
   list.skipElem
+
   check list.toInt(int32) == 6000.int32
-  list.skipElem
+  var intVar: int
+  list >> intVar
+  check intVar == 6000
+
   check(not list.hasData)
   expect Exception: list.skipElem