code: def check(self, context, version=None):
          
          req_str = None
  
          self.checked.append((context, version))
  
          if isinstance(context, str) and not version:
              context = BumpRequirement.parse(context)
  
          if isinstance(context, Bump):
              name = context.name
              if context.new_version and context.new_version[0] == '==':
                  version = context.new_version[1]
              else:
                  req_str = str(context)
  
          elif isinstance(context, (pkg_resources.Requirement, BumpRequirement)):
              name = context.project_name
              if context.specs and context.specs[0][0] == '==':
                  version = context.specs[0][1]
              else:
                  req_str = str(context)
  
          else:
              name = context
  
          if name in self:
              self.matched_name = True
  
              for req in self[name]:
                  if req.required and (version and version in req or req_str == str(req)):
                      req.required = False
                      return True
  
          return False
docs: Check off requirements that are met by name/version.
  
          :param str|Bump|Requirement context: Either package name, requirement string, :class:`Bump`,
                                               :class:`BumpRequirement`, or
                                               :class:`pkg_resources.Requirement instance
          :return: True if any requirement was satisified by context