組み込み

1. 詳細 builtin-function-details

echo abs(1.456)

echo abs(-5.456)

echo abs(-4)

echo acos(0)

echo acos(-0.5)

let alist = add([1, 2, 3], item)
call add(mylist, "woodstock")

let flag = and(bits, 0x80)

lua vim.print(vim.fn.api_info())

let failed = append(line('$'), "# THE END")
let failed = append(0, ["Chapter 1", "the beginning"])

let failed = appendbufline(13, 0, "# THE START")

let i = 0
while i < argc()
  let f = escape(fnameescape(argv(i)), '.')
  exe 'amenu Arg.' .. f .. ' :e ' .. f .. '<CR>'
  let i = i + 1
endwhile

echo asin(0.8)

echo asin(-0.5)

call assert_equal('foo', 'bar', 'baz')

try
  commandthatfails
  call assert_false(1, 'command should have failed')
catch
  call assert_exception('E492:')
endtry

call assert_fails('bad cmd', 'E987:')

call assert_fails('cmd', ['E987:.*expected bool'])

call assert_fails('cmd', ['', 'E987:'])

call assert_match('^f.*o$', 'foobar')

echo atan(100)

echo atan(-4.01)

echo atan2(-1, 1)

echo atan2(1, -1)

blob2list(0z0102.0304)        " returns [1, 2, 3, 4]
blob2list(0z)                " returns []

let bufnr = bufadd('someName')
call bufload(bufnr)
call setbufline(bufnr, 1, ['some', 'text'])

echo bufname("3" + 0)

echo bufname("#")        " alternate buffer name
echo bufname(3)                " name of buffer 3
echo bufname("%")        " name of current buffer
echo bufname("file2")        " name of buffer where "file2" matches.

let last_buffer = bufnr("$")

echo "A window containing buffer 1 is " .. (bufwinid(1))

echo "A window containing buffer 1 is " .. (bufwinnr(1))

echo matchstr(str, ".", byteidx(str, 3))

let s = strpart(str, byteidx(str, 3))
echo strpart(s, 0, byteidx(s, 1))

echo byteidx('a😊😊', 2)        " returns 5
echo byteidx('a😊😊', 2, 1)        " returns 1
echo byteidx('a😊😊', 3, 1)        " returns 5

let s = 'e' .. nr2char(0x301)
echo byteidx(s, 1)
echo byteidxcomp(s, 1)
echo byteidxcomp(s, 2)

echo ceil(1.456)

echo ceil(-5.456)

echo ceil(4.0)

call chansend(id, ["abc", "123\n456", ""])

echo char2nr(" ")        " returns 32
echo char2nr("ABC")        " returns 65
echo char2nr("á")        " returns 225
echo char2nr("á"[0])        " returns 195
echo char2nr("\<M-x>")        " returns 128

echo charcol('.')        " returns 3
echo col('.')                " returns 7

echo charidx('áb́ć', 3)                " returns 1
echo charidx('áb́ć', 6, 1)        " returns 4
echo charidx('áb́ć', 16)                " returns -1
echo charidx('a😊😊', 4, 0, 1)        " returns 2

let save_dir = chdir(newdir)
if save_dir != ""
   " ... do some work
   call chdir(save_dir)
endif

echo col(".")                        " column of cursor
echo col("$")                        " length of cursor line plus one
echo col("'t")                        " column of mark t
echo col("'" .. markname)        " column of mark markname

imap <F2> <Cmd>echo col(".").."\n"<CR>

inoremap <F5> <C-R>=ListMonths()<CR>
func ListMonths()
  call complete(col('.'), ['January', 'February', 'March',
    \ 'April', 'May', 'June', 'July', 'August', 'September',
    \ 'October', 'November', 'December'])
  return ''
endfunc

" Get all items
call complete_info()
" Get only 'mode'
call complete_info(['mode'])
" Get only 'mode' and 'pum_visible'
call complete_info(['mode', 'pum_visible'])

confirm("Save changes?", "&Yes\n&No\n&Cancel")

confirm("file has been modified", "&Save\nSave &All")

let choice = confirm("What do you want?",
                     \ "&Apples\n&Oranges\n&Bananas", 2)
if choice == 0
     echo "make up your mind!"
elseif choice == 3
     echo "tasteful"
else
     echo "I prefer bananas myself."
endif

echo cos(100)

echo cos(-4.01)

echo cosh(0.5)

echo cosh(-0.5)

silent! call dictwatcherdel(g:, '*', 'OnDictChanged')
function! OnDictChanged(d,k,z)
  echomsg string(a:k) string(a:z)
endfunction
call dictwatcheradd(g:, '*', 'OnDictChanged')

" Get a built-in digraph
echo digraph_get('00')                " Returns '∞'
" Get a user-defined digraph
call digraph_set('aa', 'あ')
echo digraph_get('aa')                " Returns 'あ'

" Get user-defined digraphs
echo digraph_getlist()
" Get all the digraphs, including default digraphs
echo digraph_getlist(1)

call digraph_set('  ', 'あ')

call digraph_setlist([['aa', 'あ'], ['ii', 'い']])

for [chars, digraph] in [['aa', 'あ'], ['ii', 'い']]
      call digraph_set(chars, digraph)
endfor

echo has_key(environ(), 'HOME')

echo index(keys(environ()), 'HOME', 0, 1) != -1

echo escape('c:\program files\vim', ' \')

c:\\program\ files\\vim

echo execute('echon "foo"')

echo execute(['echon "foo"', 'echon "bar"'])

execute('args')->split("\n")

let l = [1, 2, 3]
echo exists("l[5]")

echo exists("l[xx]")

echo exists("&mouse")
echo exists("$HOSTNAME")
echo exists("*strftime")
echo exists("*s:MyFunc")
echo exists("*MyFunc")
echo exists("*v:lua.Func")
echo exists("bufcount")
echo exists(":Make")
echo exists("#CursorHold")
echo exists("#BufReadPre#*.gz")
echo exists("#filetypeindent")
echo exists("#filetypeindent#FileType")
echo exists("#filetypeindent#FileType#*")
echo exists("##ColorScheme")

echo exists(":make")

echo exists(":make install")

echo exists(bufcount)

echo exp(2)

echo exp(-1)

let &tags = expand("%:p:h") .. "/tags"

let doesntwork = expand("%:h.bak")

let doeswork = expand("%:h") .. ".bak"

echo expand(expand("<cfile>"))

echo expand("**/README")

echo expandcmd('make %<.o')

make /path/runtime/doc/builtin.o

echo expandcmd('make %<.o', {'errmsg': v:true})

echo sort(extend(mylist, [7, 5]))
call extend(mylist, [2, 3], 1)

let newlist = [1, 2, 3] + [4, 5]

echo filereadable('~/.vimrc')

0

echo filereadable(expand('~/.vimrc'))

1

call filter(mylist, 'v:val !~ "OLD"')

call filter(mydict, 'v:key >= 8')

call filter(var, 0)

func Odd(idx, val)
  return a:idx % 2 == 1
endfunc
call filter(mylist, function('Odd'))

call filter(myList, {idx, val -> idx * val <= 42})

call filter(myList, {idx -> idx % 2 == 1})

let l = filter(copy(mylist), 'v:val =~ "KEEP"')

echo findfile("tags.vim", ".;")

echo flatten([1, [2, [3, 4]], 5])

echo flatten([1, [2, [3, 4]], 5], 1)

echo float2nr(3.95)

echo float2nr(-23.45)

echo float2nr(1.0e100)

echo float2nr(-1.0e150)

echo float2nr(1.0e-100)

echo floor(1.856)

echo floor(-5.456)

echo floor(4.0)

echo fmod(12.33, 1.22)

echo fmod(-12.33, 1.22)

let fname = '+some str%nge|name'
exe "edit " .. fnameescape(fname)

edit \+some\ str\%nge\|name

echo fnamemodify("main.c", ":p:h")

/home/user/vim/vim/src

+-- 45 lines: abcdef

call foreach(mylist, 'let used[v:val] = v:true')

let FuncWithArg = function(dict.Func, [arg])
let Broken = function(dict.Func, [arg], dict)

func Callback(arg1, arg2, name)
"...
endfunc
let Partial = function('Callback', ['one', 'two'])
"...
call Partial('name')

call Callback('one', 'two', 'name')

func Callback(one, two, three)
"...
endfunc
let Partial = function('Callback', ['two'])
"...
eval 'one'->Partial('three')

call Callback('one', 'two', 'three')

func Callback(arg1, arg2, name)
"...
endfunc
let Func = function('Callback', ['one'])
let Func2 = function(Func, ['two'])
"...
call Func2('name')

call Callback('one', 'two', 'name')

function Callback() dict
   echo "called for " .. self.name
endfunction
"...
let context = {"name": "example"}
let Func = function('Callback', context)
"...
call Func()        " will echo: called for example

let Func = function('Callback', context)
let Func = context.Callback

function Callback(arg1, count) dict
"...
endfunction
let context = {"name": "example"}
let Func = function('Callback', ['one'], context)
"...
call Func(500)

call context.Callback('one', 500)

let val = get(g:, 'var_name', 'default')

echo line('.', {winid})

for buf in getbufinfo()
    echo buf.name
endfor
for buf in getbufinfo({'buflisted':1})
    if buf.changed
        " ....
    endif
endfor

getbufvar({bufnr}, '&option_name')

let lines = getbufline(bufnr("myfile"), 1, "$")

        let bufmodified = getbufvar(1, "&mod")
        echo "todo myvar = " .. getbufvar("todo", "myvar")
Parameters: ~
  • {buf} (`integer|string`)
  • {varname} (`string`)
  • {def} (`any?`)
Return: ~
  (`any`)

let c = getchar()
if c == "\<LeftMouse>" && v:mouse_win > 0
  exe v:mouse_win .. "wincmd w"
  exe v:mouse_lnum
  exe "normal " .. v:mouse_col .. "|"
endif

getchar() == "\<Del>"
getchar() == "\<S-Left>"

nmap f :call FindChar()<CR>
function FindChar()
  let c = nr2char(getchar())
  while col('.') < col('$') - 1
    normal l
    if getline('.')[col('.') - 1] ==? c
      break
    endif
  endwhile
endfunction

getcharpos('.')                returns [0, 5, 3, 0]
getpos('.')                returns [0, 5, 7, 0]

nnoremap <expr> ; getcharsearch().forward ? ';' : ','
nnoremap <expr> , getcharsearch().forward ? ',' : ';'

cmap <F7> <C-\>eescape(getcmdline(), ' \')<CR>

echo getcompletion('call ', 'cmdline')

let save_cursor = getcurpos()
MoveTheCursorAround
call setpos('.', save_cursor)

getcursorcharpos()        " returns [0, 3, 2, 0, 3]
getcurpos()                " returns [0, 3, 4, 0, 3]

getcwd(0)
getcwd(0, 0)

myHome = getenv('HOME')

echo getfperm("/etc/passwd")
echo getfperm(expand("~/.config/nvim/init.vim"))

getftype("/home")

getline(1)

getline(".")

let start = line('.')
let end = search("^$") - 1
let lines = getline(start, end)

echo getloclist(3, {'all': 0})
echo getloclist(5, {'filewinid': 0})

echo getmatches()

[{"group": "MyGroup1", "pattern": "TODO",
"priority": 10, "id": 1}, {"group": "MyGroup2",
"pattern": "FIXME", "priority": 10, "id": 2}]

let m = getmatches()
call clearmatches()
echo getmatches()

[]

call setmatches(m)
echo getmatches()

[{"group": "MyGroup1", "pattern": "TODO",
"priority": 10, "id": 1}, {"group": "MyGroup2",
"pattern": "FIXME", "priority": 10, "id": 2}]

unlet m

let save_a_mark = getpos("'a")
" ...
call setpos("'a", save_a_mark)

vimgrep /theword/jg *.c
for d in getqflist()
   echo bufname(d.bufnr) ':' d.lnum '=' d.text
endfor

echo getqflist({'all': 1})
echo getqflist({'nr': 2, 'title': 1})
echo getqflist({'lines' : ["F1:10:L10"]})

let cliptext = getreg('*')

xnoremap <CR>
\ <Cmd>echom getregion(
\ getpos('v'), getpos('.'), #{ type: mode() })<CR>

[[{start_pos}, {end_pos}], ...]

echo getscriptinfo({'name': 'myscript'})
echo getscriptinfo({'sid': 15})[0].variables

let list_is_on = gettabwinvar(1, 2, '&list')
echo "myvar = " .. gettabwinvar(3, 1, 'myvar')

gettabwinvar({tabnr}, {winnr}, '&')

while 1
  let res = getwinpos(1)
  if res[0] >= 0
    break
  endif
  " Do some work here
endwhile

        let list_is_on = getwinvar(2, '&list')
        echo "myvar = " .. getwinvar(1, 'myvar')
Parameters: ~
  • {winnr} (`integer`)
  • {varname} (`string`)
  • {def} (`any?`)
Return: ~
  (`any`)

let tagfiles = glob("`find . -name tags -print`")
let &tags = substitute(tagfiles, "\n", ",", "g")

if filename =~ glob2regpat('Make*.mak')
  " ...
endif

if filename =~ '^Make.*\.mak$'
  " ...
endif

echo globpath(&rtp, "syntax/c.vim")

echo globpath(&rtp, "syntax/c.vim", 0, 1)

echo globpath(&rtp, "**/README.txt")

print(vim.uv.os_uname().sysname)

if has('feature')
  let x = this_breaks_without_the_feature()
endif

if has("nvim-0.2.1")
  " ...
endif

if has("win32")
  " ...
endif

if v:version > 602 || v:version == 602 && has("patch148")
  " ...
endif

if has("patch-7.4.237")
  " ...
endif

echo haslocaldir()
echo haslocaldir(0)
echo haslocaldir(0, 0)

if !hasmapto('\ABCdoit')
   map <Leader>d \ABCdoit
endif

call histadd("input", strftime("%Y %b %d"))
let date=input("Enter date: ")

call histdel("expr")

call histdel("/", '^\*')

call histdel("search", histnr("search"))
call histdel("search", -1)
call histdel("search", '^' .. histget("search", -1) .. '$')

call histdel("search", -1)
let @/ = histget("search", -1)

execute '/' .. histget("search", -2)

command -nargs=1 H execute histget("cmd", 0+<args>)

let inp_index = histnr("expr")

echo synIDattr(synIDtrans(hlID("Comment")), "bg")

let idx = index(words, "the")
if index(numbers, 123) >= 0
  " ...
endif

let l = [#{n: 10}, #{n: 20}, #{n: 30}]
echo indexof(l, "v:val.n == 20")
echo indexof(l, {i, v -> v.n == 30})
echo indexof(l, "v:val.n == 20", #{startidx: 1})

if input("Coffee or beer? ") == "beer"
  echo "Cheers!"
endif

let color = input("Color? ", "white")

let fname = input("File: ", "", "file")

highlight RBP1 guibg=Red ctermbg=red
highlight RBP2 guibg=Yellow ctermbg=yellow
highlight RBP3 guibg=Green ctermbg=green
highlight RBP4 guibg=Blue ctermbg=blue
let g:rainbow_levels = 4
function! RainbowParens(cmdline)
  let ret = []
  let i = 0
  let lvl = 0
  while i < len(a:cmdline)
    if a:cmdline[i] is# '('
      call add(ret, [i, i + 1, 'RBP' .. ((lvl % g:rainbow_levels) + 1)])
      let lvl += 1
    elseif a:cmdline[i] is# ')'
      let lvl -= 1
      call add(ret, [i, i + 1, 'RBP' .. ((lvl % g:rainbow_levels) + 1)])
    endif
    let i += 1
  endwhile
  return ret
endfunction
call input({'prompt':'>','highlight':'RainbowParens'})

nmap \x :call GetFoo()<CR>:exe "/" .. Foo<CR>
function GetFoo()
  call inputsave()
  let g:Foo = input("enter search pattern: ")
  call inputrestore()
endfunction

        let color = inputlist(['Select color:', '1. red',
                \ '2. green', '3. blue'])
Parameters: ~
  • {textlist} (`string[]`)
Return: ~
  (`any`)

let mylist = insert([2, 3, 5], 1)
call insert(mylist, 4, -1)
call insert(mylist, 6, len(mylist))

function s:check_typoname(file)
   if fnamemodify(a:file, ':t') == '['
       echomsg 'Maybe typo'
       call interrupt()
   endif
endfunction
au BufWritePre * call s:check_typoname(expand('<amatch>'))

let bits = invert(bits)

echo isabsolutepath('/usr/share/')        " 1
echo isabsolutepath('./foobar')                " 0
echo isabsolutepath('C:\Windows')        " 1
echo isabsolutepath('foobar')                " 0
echo isabsolutepath('\\remote\file')        " 1

echo isinf(1.0 / 0.0)

echo isinf(-1.0 / 0.0)

let alist = [0, ['a', 'b'], 2, 3]
lockvar 1 alist
echo islocked('alist')                " 1
echo islocked('alist[1]')        " 0

echo isnan(0.0 / 0.0)

for [key, value] in items(mydict)
   echo key .. ': ' .. value
endfor

call jobstart(split(&shell) + split(&shellcmdflag) + ['{cmd}'])

call jobstart('nvim -h', {'on_stdout':{j,d,e->append(line('.'),d)}})

call jobstart(['System32\ping.exe', 'neovim.io'])

let running = jobwait([{job-id}], 0)[0] == -1

let lines = join(mylist, "\n") .. "\n"

let xx = "\<C-Home>"
echo keytrans(xx)

        echo libcall("libc.so", "getenv", "HOME")
Parameters: ~
  • {libname} (`string`)
  • {funcname} (`string`)
  • {argument} (`any`)
Return: ~
  (`any`)

echo libcallnr("/usr/lib/libc.so", "getpid", "")
call libcallnr("libc.so", "printf", "Hello World!\n")
call libcallnr("libc.so", "sleep", 10)

echo line(".")                        " line number of the cursor
echo line(".", winid)                " idem, in window "winid"
echo line("'t")                        " line number of mark t
echo line("'" .. marker)        " line number of mark marker

echo line2byte(line("$") + 1)

echo list2blob([1, 2, 3, 4])        " returns 0z01020304
echo list2blob([])                " returns 0z

echo list2str([32])                " returns " "
echo list2str([65, 66, 67])        " returns "ABC"

echo join(map(list, {nr, val -> nr2char(val)}), '')

echo list2str([97, 769])        " returns "á"

echo log(10)

echo log(exp(5))

echo log10(1000)

echo log10(0.01)

call map(mylist, '"> " .. v:val .. " <"')

func KeyValue(key, val)
  return a:key .. '-' .. a:val
endfunc
call map(myDict, function('KeyValue'))

call map(myDict, {key, val -> key .. '-' .. val})

call map(myDict, {key -> 'item: ' .. key})

call map(myDict, {_, val -> 'item: ' .. val})

let tlist = map(copy(mylist), ' v:val .. "\t"')

exe 'nnoremap <Tab> ==' .. maparg('<Tab>', 'n')

echo maplist()->filter({_, m ->
        \ match(get(m, 'rhs', ''), 'MultiMatch') >= 0
        \ })

let saved_maps = []
for m in maplist()
    if and(m.mode_bits, 0x19) != 0
        eval saved_maps->add(m)
    endif
endfor
echo saved_maps->mapnew({_, m -> m.lhs})

omap xyzzy <Nop>
let op_bit = maplist()->filter(
    \ {_, m -> m.lhs == 'xyzzy'})[0].mode_bits
ounmap xyzzy
echo printf("Operator-pending mode bit: 0x%x", op_bit)

let save_map = maparg('K', 'n', 0, 1)
nnoremap K somethingelse
" ...
call mapset('n', 0, save_map)

let save_maps = maplist()->filter(
                        \ {_, m -> m.lhs == 'K'})
nnoremap K somethingelse
cnoremap K somethingelse2
" ...
unmap K
for d in save_maps
    call mapset(d)
endfor

echo match("testing", "ing")        " results in 4
echo match([1, 'x'], '\a')        " results in 1

let sepidx = match(line, '[.,;: \t]')

let idx = match(haystack, '\cneedle')

echo match("testing", "ing", 2)

echo match("testing", "ing", 4)

echo match("testing", "t", 2)

echo match("testing", "..", 0, 2)

highlight MyGroup ctermbg=green guibg=green
let m = matchadd("MyGroup", "TODO")

call matchdelete(m)

highlight MyGroup ctermbg=green guibg=green
let m = matchaddpos("MyGroup", [[23, 24], 34])

call matchdelete(m)

" Assuming line 3 in buffer 5 contains "a"
echo matchbufline(5, '\<\k\+\>', 3, 3)

" Assuming line 4 in buffer 10 contains "tik tok"
echo matchbufline(10, '\<\k\+\>', 1, 4)

" Assuming line 2 in buffer 2 contains "acd"
echo matchbufline(2, '\(a\)\?\(b\)\?\(c\)\?\(.*\)', 2, 2
                            \ {'submatches': v:true})

echo matchend("testing", "ing")

let span = matchend(line, '[a-zA-Z]')
let span = matchend(line, '[^a-zA-Z]')

echo matchend("testing", "ing", 2)

echo matchend("testing", "ing", 5)

echo matchfuzzy(["clay", "crow"], "cay")

echo getbufinfo()->map({_, v -> v.name})->matchfuzzy("ndl")

echo getbufinfo()->matchfuzzy("ndl", {'key' : 'name'})

echo getbufinfo()->matchfuzzy("spl",
                             \ {'text_cb' : {v -> v.name}})

echo v:oldfiles->matchfuzzy("test")

let l = readfile("buffer.c")->matchfuzzy("str")

echo ['one two', 'two one']->matchfuzzy('two one')

echo ['one two', 'two one']->matchfuzzy('two one',
                             \ {'matchseq': 1})

echo matchfuzzypos(['testing'], 'tsg')

echo matchfuzzypos(['clay', 'lacy'], 'la')

echo [{'text': 'hello', 'id' : 10}]
        \ ->matchfuzzypos('ll', {'key' : 'text'})

echo matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)')

echo matchstr("testing", "ing")

echo matchstr("testing", "ing", 2)

echo matchstr("testing", "ing", 5)

echo matchstrlist(['tik tok'], '\<\k\+\>')

echo matchstrlist(['a', 'b'], '\<\k\+\>')

echo matchstrlist(['acd'], '\(a\)\?\(b\)\?\(c\)\?\(.*\)',
                            \ #{submatches: v:true})

echo matchstrpos("testing", "ing")

echo matchstrpos("testing", "ing", 2)

echo matchstrpos("testing", "ing", 5)

echo matchstrpos([1, '__x'], '\a')

echo max([apples, pears, oranges])

echo menu_get('File','')
echo menu_get('')

nnoremenu &Test.Test inormal
inoremenu Test.Test insert
vnoremenu Test.Test x
echo menu_get("")

[ {
  "hidden": 0,
  "name": "Test",
  "priority": 500,
  "shortcut": 84,
  "submenus": [ {
    "hidden": 0,
    "mappings": {
      i": {
        "enabled": 1,
        "noremap": 1,
        "rhs": "insert",
        "sid": 1,
        "silent": 0
      },
      n": { ... },
      s": { ... },
      v": { ... }
    },
    "name": "Test",
    "priority": 500,
    "shortcut": 0
  } ]
} ]

echo menu_info('Edit.Cut')
echo menu_info('File.Save', 'n')
" Display the entire menu hierarchy in a buffer
func ShowMenu(name, pfx)
  let m = menu_info(a:name)
  call append(line('$'), a:pfx .. m.display)
  for child in m->get('submenus', [])
    call ShowMenu(a:name .. '.' .. escape(child, '.'),
                                \ a:pfx .. '    ')
  endfor
endfunc
new
for topmenu in menu_info('').submenus
  call ShowMenu(topmenu, '')
endfor

echo min([apples, pears, oranges])

call mkdir('subdir/tmp/autoload', 'pR')

defer delete('subdir/tmp', 'rf')

call mkdir($HOME .. "/tmp/foo/bar", "p", 0o700)

call writefile(msgpackdump([{}]), 'fname.mpack', 'b')

call writefile(msgpackdump([{}], 'B'), 'fname.mpack')

let fname = expand('~/.config/nvim/shada/main.shada')
let mpack = readfile(fname, 'b')
let shada_objects = msgpackparse(mpack)

_VAL[0] * ((_VAL[1] << 62)
           & (_VAL[2] << 31)
           & _VAL[3])

if getline(nextnonblank(1)) =~ "Java" | endif

echo nr2char(64)                " returns '@'
echo nr2char(32)                " returns ' '

echo nr2char(300)                " returns I with bow character

let bits = or(bits, 0x80)

echo pathshorten('~/.config/nvim/autoload/file1.vim')

echo pathshorten('~/.config/nvim/autoload/file2.vim', 2)

echo perleval('[1 .. 4]')

echo pow(3, 3)

echo pow(2, 16)

echo pow(32, 0.20)

let ind = indent(prevnonblank(v:lnum - 1))

echo printf("%4d: E%d %.30s", lnum, errno, msg)

Compute()->printf("result: %d")

echo printf("%d: %.*s", nr, width, line)

echo printf("%.2f", 12.115)

#, c-format
msgid "%s returning %s"
msgstr "waarde %2$s komt terug van %1$s"

echo printf(
    "In The Netherlands, vim's creator's name is: %1$s %2$s",
    "Bram", "Moolenaar")

echo printf(
    "In Belgium, vim's creator's name is: %2$s %1$s",
    "Bram", "Moolenaar")

echo printf("%1$*2$.*3$d", 1, 2, 3)

echo printf("%2$*3$.*1$d", 1, 2, 3)

echo printf("%3$*1$.*2$d", 1, 2, 3)

echo printf("%1$*2$.*3$g", 1.4142, 2, 3)

echo printf("%1$4.*2$f", 1.4142135, 6)

echo printf("%1$*2$.4f", 1.4142135, 6)

echo printf("%1$*2$.*3$f", 1.4142135, 6, 2)

echo printf("%s%1$s", "One", "Two")

echo printf("%3$s%1$s", "One", "Two", "Three")

echo printf("%1$d at width %2$d is: %01$*2$d", 1, 2)

echo printf("%1$d at width %2$ld is: %01$*2$d", 1, 2)

echo printf("%1$d at width %2$d is: %01$*2$.*3$d", 1, 2)

echo printf("%01$*2$.*3$d %4$d", 1, 2)