vim-patch:7.4.2044

Problem:    filter() and map() either require a string or defining a function.
Solution:   Support lambda, a short way to define a function that evaluates an
            expression. (Yasuhiro Matsumoto, Ken Takata)

069c1e7fa9

src/nvim/version.c

@@ -396,7 +396,7 @@ static int included_patches[] = {
   // 2047,
   // 2046,
   // 2045 NA
-  // 2044,
+  2044,
   2043,
   // 2042 NA
   // 2041 NA