Return the first value which passes a truth test.
        Aliased as `detect`.

def find(self, func):
        """
        Return the first value which passes a truth test.
        Aliased as `detect`.
        """
        self.ftmp = None

        def test(value, index, list):
            if func(value, index, list) is True:
                self.ftmp = value
                return True
        self._clean.any(test)
        return self._wrap(self.ftmp)