DOC(transformers): added docstrings to cast_to_* functions

src/caoscrawler/transformer_functions.py

@@ -102,16 +102,44 @@ Parameters
 
 
 def cast_to_int(in_value: Any, params: dict) -> int:
+    """
+    Cast the `in_value` to int.
+
+    Parameters
+    ==========
+    No parameters.
+    """
     return int(in_value)
 
 
 def cast_to_float(in_value: Any, params: dict) -> float:
+    """
+    Cast the `in_value` to float.
+
+    Parameters
+    ==========
+    No parameters.
+    """
     return float(in_value)
 
 
 def cast_to_bool(in_value: Any, params: dict) -> bool:
+    """
+    Cast the `in_value` to bool.
+
+    Parameters
+    ==========
+    No parameters.
+    """
     return bool(in_value)
 
 
 def cast_to_str(in_value: Any, params: dict) -> str:
+    """
+    Cast the `in_value` to str.
+
+    Parameters
+    ==========
+    No parameters.
+    """
     return str(in_value)