Fixes docs for pointfree

Author: sobolevn

docs/pages/pointfree.rst

@@ -12,7 +12,8 @@ but the same result.
 bind
 ----
 
-Without ``bind()`` it would be very hard to declaratively compose two entities:
+Without ``bind()`` function
+it would be very hard to declaratively compose two entities:
 
 1. Existings container
 2. Existing functions that accepts a regular value and returns a container
@@ -31,15 +32,35 @@ but how can we do it inversevely?
   >>> container: Maybe[str] = Some('a')
   >>> # We now have two way of composining these entities.
   >>> # 1. Via ``.bind``:
-  >>> str(container.bind(bindable))  # works!
-  '<Some: 1>'
-  >>> # 2. Or via ``box``, the same but in the inverse way:
-  >>> str(bind(bindable)(container))
-  '<Some: 1>'
+  >>> assert container.bind(bindable) == Some(1)
+  >>> # 2. Or via ``bind`` function, the same but in the inverse way:
+  >>> assert bind(bindable)(container) == Some(1)
 
 That's it.
 
 
+rescue
+------
+
+The same applies for ``rescue()`` function.
+It is also required for better declarative programming.
+
+.. code:: python
+
+  >>> from returns.pointfree import rescue
+  >>> from returns.result import Success, Failure, Result
+
+  >>> def function(arg: str) -> Result[int, str]:
+  ...     return Success(1)
+
+  >>> container: Result[int, str] = Failure('a')
+  >>> # We now have two way of composining these entities.
+  >>> # 1. Via ``.rescue``:
+  >>> assert container.rescue(function) == Success(1)
+  >>> # 2. Or via ``rescue`` function, the same but in the inverse way:
+  >>> assert rescue(function)(container) == Success(1)
+
+
 Further reading
 ---------------
 
@@ -51,3 +72,5 @@ API Reference
 -------------
 
 .. autofunction:: returns.pointfree.bind
+
+.. autofunction:: returns.pointfree.rescue