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echo warning message if duplicate statusline func gets added.

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This commit is contained in:
Bailey Ling 2013-10-04 10:27:49 -04:00
parent 008eb8cd3b
commit f26c7d4143
1 changed files with 6 additions and 0 deletions
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6
autoload/airline.vim
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@ -11,6 +11,12 @@ function! airline#add_statusline_func(name)
endfunction
function! airline#add_statusline_funcref(function)
if index(g:airline_statusline_funcrefs, a:function) >= 0
echohl WarningMsg
echo 'The airline statusline funcref '.string(a:function).' has already been added.'
echohl NONE
return
endif
call add(g:airline_statusline_funcrefs, a:function)
endfunction