Code cleaning: StrType class now derives from built-in str so that __hash__ and __eq__ are not to be definded

nested_mapping.py

@@ -8,30 +8,17 @@ def unique(seq):
     return type(seq)(uniques)
 
 
-class StrType:
+class StrType(str):
     """Helper class to print and compare object types.
-         __eq__ implemented to allow for StrType enumaration
+       Provide the object whose type you want to print.
-         __hash__ implemented for compatibility with set objects
-         __repr__ and __str__ to print type(StrType.obj) as desired.
     """
-    
     def __init__(self, obj):
-        """Provide the object whose type you want to print."""
+        self.value = type(obj).__name__
-        self.obj = obj
-
-    def __eq__(self, other):
-        if not isinstance(other, StrType):
-            return False
-        return type(self.obj) == type(other.obj)
-
-    def __hash__(self):
-        return hash(str(self))
     
     def __str__(self):
-        return f"<{type(self.obj).__name__}>"
+        return f"<{self.value}>"
     
-    def __repr__(self):
+    __repr__ = __str__
-        return self.__str__()
 
 
 def get_structure(data):