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-rw-r--r--vim/autoload/map.vim7
1 files changed, 7 insertions, 0 deletions
diff --git a/vim/autoload/map.vim b/vim/autoload/map.vim
index 2630bcd3..43cdf381 100644
--- a/vim/autoload/map.vim
+++ b/vim/autoload/map.vim
@@ -1,3 +1,10 @@
+" We declare a wrapper around map() to allow us always to call it with
+" a Funcref as the second function parameter, which isn’t directly supported
+" by map() until Vim v7.4.1989. If the running version is older than that,
+" apply string() to the Funcref to use the older calling convention.
+"
+" <https://github.com/vim/vim/releases/tag/v7.4.1989>
+"
function! map#(list, Func) abort
return has('patch-7.4.1989')
\ ? map(a:list, a:Func)