GongYiLiao

from itertools import islice
from typing import TypeVar, NoReturn
from collections.abc import Callable, Generator, Sequence, Iterable 

T = TypeVar('T')

def gfib(f: Callable[[Sequence[T]], T],
         xs:Sequence[T]) -> Generator[T]:
    while True:
        x, *xs = *xs, f(xs)

GongYiLiao

;; fancy status line 
(require 'powerline)

;; make poweline ### autoload
(defpowerline powerline-mule-info
    (format-mode-line mode-line-mule-info))

;; 
(defface powerline-filemode-active
  '((t (:background "OliveDrab3" :foreground "grey22" :inherit mode-line)))