Mercurial > vim
diff runtime/doc/eval.txt @ 17855:285f7a700185 v8.1.1924
patch 8.1.1924: using empty string for current buffer is unexpected
Commit: https://github.com/vim/vim/commit/a8eee21e75324d199acb1663cb5009e03014a13a
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Aug 24 22:14:58 2019 +0200
patch 8.1.1924: using empty string for current buffer is unexpected
Problem: Using empty string for current buffer is unexpected.
Solution: Make the argument optional for bufname() and bufnr().
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sat, 24 Aug 2019 22:30:03 +0200 |
parents | 73ddc462979d |
children | 4935244c1128 |
line wrap: on
line diff
--- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -2335,8 +2335,8 @@ bufexists({expr}) Number |TRUE| if buff buflisted({expr}) Number |TRUE| if buffer {expr} is listed bufload({expr}) Number load buffer {expr} if not loaded yet bufloaded({expr}) Number |TRUE| if buffer {expr} is loaded -bufname({expr}) String Name of the buffer {expr} -bufnr({expr} [, {create}]) Number Number of the buffer {expr} +bufname([{expr}]) String Name of the buffer {expr} +bufnr([{expr} [, {create}]]) Number Number of the buffer {expr} bufwinid({expr}) Number window ID of buffer {expr} bufwinnr({expr}) Number window number of buffer {expr} byte2line({byte}) Number line number at byte count {byte} @@ -3217,9 +3217,10 @@ bufloaded({expr}) *bufloaded()* Can also be used as a |method|: > let loaded = 'somename'->bufloaded() -bufname({expr}) *bufname()* +bufname([{expr}]) *bufname()* The result is the name of a buffer, as it is displayed by the ":ls" command. + If {expr} is omitted the current buffer is used. If {expr} is a Number, that buffer number's name is given. Number zero is the alternate buffer for the current window. If {expr} is a String, it is used as a |file-pattern| to match @@ -3251,7 +3252,7 @@ bufname({expr}) *bufname()* Obsolete name: buffer_name(). *bufnr()* -bufnr({expr} [, {create}]) +bufnr([{expr} [, {create}]]) The result is the number of a buffer, as it is displayed by the ":ls" command. For the use of {expr}, see |bufname()| above. @@ -3259,7 +3260,7 @@ bufnr({expr} [, {create}]) {create} argument is present and not zero, a new, unlisted, buffer is created and its number is returned. bufnr("$") is the last buffer: > - :let last_buffer = bufnr("$") + :let last_buffer = bufnr("$") < The result is a Number, which is the highest buffer number of existing buffers. Note that not all buffers with a smaller number necessarily exist, because ":bwipeout" may have removed @@ -7201,7 +7202,7 @@ prompt_setcallback({buf}, {expr}) *pro that was entered at the prompt. This can be an empty string if the user only typed Enter. Example: > - call prompt_setcallback(bufnr(''), function('s:TextEntered')) + call prompt_setcallback(bufnr(), function('s:TextEntered')) func s:TextEntered(text) if a:text == 'exit' || a:text == 'quit' stopinsert @@ -7227,7 +7228,7 @@ prompt_setprompt({buf}, {text}) *prom {text} to end in a space. The result is only visible if {buf} has 'buftype' set to "prompt". Example: > - call prompt_setprompt(bufnr(''), 'command: ') + call prompt_setprompt(bufnr(), 'command: ') < prop_ functions are documented here: |text-prop-functions|.