common lisp 的函数 WRITE-SEQUENCE

gistfile1.txt

语法
  write-sequence sequence stream &key start end => sequence

参数和值
  sequence --- 一个 sequence
  stream --- 一个 output stream
  start, end --- 位置指示符,start 默认为0, end 默认为 nil

描述
  write-sequence 将 sequence 从start到end的字句中的元素写出到 stream中
  
代码
  * (write-sequence "bookworms" *standard-output* :end 4)
  book
  "bookworms"

返回中的book 是写出到 *standard-output* 中的, "bookworms" 是 write-sequence 的返回