spacevim/docs/cn/api/data/list.md
JIe 2bb7059579
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init
2024-08-21 14:17:26 +08:00

1.8 KiB

title description lang
data#list 函数库 data#list 函数库主要提供一些操作列表的常用函数。 zh

可用函数库 >> data#list

简介

data#list 函数提供了一些操作列表的工具方法,以下为使用这一函数的示例:

let s:LIST = SpaceVim#api#import('data#list')
let l = [1, 2, 3, 4]
echo s:LIST.pop(l)
" 4
echo l
" [1, 2, 3]

函数列表

  • pop(list): 移除并返回列表的最后一个元素。

  • push(list, var): 向列表最后添加一个元素并返回列表。

  • shift(list): 移除并返回列表的第一个元素。

  • unshift(list, var): 向列表最前端添加一个元素,并返回列表。

  • clear(list): 清除列表中的元素。

  • uniq(list): 去除列表中重复的元素,并返回去重后的列表。

  • uniq_by_func(list, func): 依据一个函数,去除列表中元素,并返回去重后的列表。

    示例代码如下:

    " 去除列表中相同类型的其他元素
    let l = ['a', 'b', 1, 2, 3, 'c']
    func! s:get_type(var)
      return type(a:var)
    endf
    echo s:LIST.uniq_by_func(l, function('s:get_type'))
    " ['a', 1]
    
  • char_range(char1, char2): 返回一个字符列表,从字符char1char2

  • has(list, var): 检测列表list内是否包含元素var,若包含则返回v:true,否则返回v:false

  • has_index(list, idx): 检测 list 是否包含位置idx

  • replace(list, begin, end, new_list): 替换列表list中从位置beginend为新的列表new_list

    示例代码如下:

    let l = ['a', 'b', 'c', 'd', 'e']
    echo s:LIST.replace(l, 1, 3, [1, 2, 3])
    " ['a', 1, 2, 3, 'e']