util: micro-optimization of existence check for lawrencium

2019-08-20 22:24:08 +02:00 · 2019-08-20 22:24:08 +02:00 · 5df9e23f14
parent 0370a3b89b
commit 5df9e23f14
1 changed files with 4 additions and 1 deletions
--- a/autoload/airline/util.vim
+++ b/autoload/airline/util.vim
@ -136,7 +136,10 @@ function! airline#util#has_fugitive()
 endfunction

 function! airline#util#has_lawrencium()
-  return exists('*lawrencium#statusline')
+  if !exists("s:has_lawrencium")
+    let s:has_lawrencium  = exists('*lawrencium#statusline')
+  endif
+  return s:has_lawrencium
 endfunction

 function! airline#util#has_vcscommand()