Add maxlength minlength examples

Signed-off-by: Vipul Gupta (@vipulgupta2048) <[email protected]>

AUTHORS

@@ -58,6 +58,7 @@ Contributors
 - Waldir Pimenta
 - calve
 - gilbsgilbs
+- Vipul Gupta
 
 A full, up-to-date list of contributors is available from git with:
 

docs/validation-rules.rst

@@ -444,7 +444,8 @@ The assigned data can be of any type.
 min, max
 --------
 
-Minimum and maximum value allowed for any types that implement comparison operators.
+Minimum and maximum value allowed for any types that implement comparison operators. See
+`\*of-rules`_ for examples.
 
 .. versionchanged:: 1.0
   Allows any type to be compared.
@@ -457,6 +458,22 @@ minlength, maxlength
 
 Minimum and maximum length allowed for iterables.
 
+.. doctest::
+
+    >>> schema = {'numbers': {'type': 'list', 'minlength': 1, 'maxlength': 3}}
+    >>> document = {'numbers': [256, 2048, 23]}
+
+    >>> v.validate(document, schema)
+    True
+
+    >>> document = {'numbers': [256, 2048, 23, 2]}
+    >>> v.validate(document, schema)
+    False
+
+    >>> v.errors
+    >>> {'numbers': ['max length is 3']}
+
+
 noneof
 ------