class_docstr: Reactive integer -- anything that can be resolved to an ``int``.
docstr: Create an Integer-like object that calls the given function when it is
  resolved to an int.
code: def from_callable(cls, func):
      """
      Create an Integer-like object that calls the given function when it is
      resolved to an int.
      """
      return _IntegerFromCallable(func)
  
file_path: catboost/contrib/python/prompt-toolkit/py2/prompt_toolkit/reactive.py
imports: from __future__ import unicode_literals
  from abc import ABCMeta, abstractmethod
  from six import with_metaclass
label_desc: Use image node_id 2 for calling the Integer obj's underlying member method code with example usage: obj.from_callable(cls, func) and returns: _IntegerFromCallable