Add list api

autoload/SpaceVim/api/data/list.vim

@@ -0,0 +1,74 @@
+function! SpaceVim#api#data#list#get() abort
+    return map({'pop' : '',
+                \ 'push' : '',
+                \ 'shift' : '',
+                \ 'unshift' : '',
+                \ 'uniq' : '',
+                \ 'uniq_by' : '',
+                \ 'char_range' : '',
+                \ 'has' : '',
+                \ 'has_index' : '',
+                \ },
+                \ "function('s:' . v:key)"
+                \ )
+endfunction
+
+function! s:pop(list) abort
+    return remove(a:list, -1)
+endfunction
+
+function! s:push(list, val) abort
+    echo 'push'
+endfunction
+
+function! s:shift(list) abort
+    return remove(a:list, 0)
+endfunction
+
+function! s:unshift(list, val) abort
+    return insert(a:list, a:val)
+endfunction
+
+function! s:uniq(list) abort
+    return s:uniq_by(a:list, 'v:val')
+endfunction
+
+function! s:uniq_by(list, f) abort
+    let list = map(copy(a:list), printf('[v:val, %s]', a:f))
+    let i = 0
+    let seen = {}
+    while i < len(list)
+        let key = string(list[i][1])
+        if has_key(seen, key)
+            call remove(list, i)
+        else
+            let seen[key] = 1
+            let i += 1
+        endif
+    endwhile
+    return map(list, 'v:val[0]')
+endfunction
+
+function! s:clear(list) abort
+  if !empty(a:list)
+    unlet! a:list[0 : len(a:list) - 1]
+  endif
+  return a:list
+endfunction
+
+function! s:char_range(from, to) abort
+  return map(
+  \   range(char2nr(a:from), char2nr(a:to)),
+  \   'nr2char(v:val)'
+  \)
+endfunction
+
+function! s:has(list, val) abort
+    return index(a:list, a:val) != -1
+endfunction
+
+function! s:has_index(list, index) abort
+    return 0 <= a:index && a:index < len(a:list)
+endfunction
+
+" vim:set et sw=2 cc=80: