Add simple examples in docstrings of serializers

starknet_py/cairo/serialization/data_serializers/array_serializer.py

@@ -18,8 +18,12 @@
 class ArraySerializer(CairoDataSerializer[Iterable, List]):
     """
     Serializer for arrays. In abi they are represented as a pointer to a type.
-    Can serialize any iterable.
+    Can serialize any iterable and prepends its length to resulting list.
     Deserializes data to a TupleDataclass.
+
+    Examples:
+    [1,2,3] => [3,1,2,3]
+    [] => [0]
     """
 
     inner_serializer: CairoDataSerializer

starknet_py/cairo/serialization/data_serializers/named_tuple_serializer.py

@@ -23,6 +23,9 @@ class NamedTupleSerializer(
     Serializer for tuples with named fields.
     Can serialize a dictionary, a named tuple and TupleDataclass.
     Deserializes data to a TupleDataclass.
+
+    Example:
+    {"a": 1, "b": 2} => [1,2]
     """
 
     serializers: OrderedDict[str, CairoDataSerializer]

starknet_py/cairo/serialization/data_serializers/payload_serializer.py

@@ -31,6 +31,9 @@ class PayloadSerializer(CairoDataSerializer[Dict, TupleDataclass]):
     Serializer for payloads like function arguments/function outputs/events.
     Can serialize a dictionary.
     Deserializes data to a TupleDataclass.
+
+    Example:
+    {"a": 1, "b": 2} => [1,2]
     """
 
     # Value present only in constructor.

starknet_py/cairo/serialization/data_serializers/struct_serializer.py

@@ -20,6 +20,9 @@ class StructSerializer(CairoDataSerializer[Dict, Dict]):
     Serializer of custom structures.
     Can serialize a dictionary.
     Deserializes data to a dictionary.
+
+    Example:
+    {"a": 1, "b": 2} => [1,2]
     """
 
     serializers: OrderedDict[str, CairoDataSerializer]

starknet_py/cairo/serialization/data_serializers/tuple_serializer.py

@@ -20,6 +20,9 @@ class TupleSerializer(CairoDataSerializer[Iterable, Tuple]):
     Serializer for tuples without named fields.
     Can serialize any iterable.
     Deserializes data to a python tuple.
+
+    Example:
+    (1,2,(3,4)) => [1,2,3,4]
     """
 
     serializers: List[CairoDataSerializer]

starknet_py/cairo/serialization/data_serializers/uint256_serializer.py

@@ -19,6 +19,12 @@ class Uint256Serializer(CairoDataSerializer[int, int]):
     Serializer of Uint256. In Cairo it is represented by structure {low: Uint128, high: Uint128}.
     Can serialize an int.
     Deserializes data to an int.
+
+    Examples:
+    0 => [0,0]
+    1 => [1,0]
+    2**128 => [0,1]
+    3 + 2**128 => [3,1]
     """
 
     def deserialize_with_context(self, context: DeserializationContext) -> int: