Method insert

lib/sqlalchemy/util/_collections_cy.py:132–135

(self, pos: cython.Py_ssize_t, element: _T, /)

        return value

    def insert(self, pos: cython.Py_ssize_t, element: _T, /) -> None:
        if element not in self:
            self._list.insert(pos, element)
            set.add(self, element)

    def discard(self, element: _T, /) -> None:
        if element in self: