commit 077a1e670ad69ef4cefc22103ca6635bd269e764
author Bram Moolenaar <Bram@vim.org> Mon Jun 08 20:50:43 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Mon Jun 08 20:50:43 2020 +0200
tree d46a114dc598e3ac47aa8e846a055f1f5b4c9999
parent ec98e93a82379ca9289d8021aec374aa6798afef

patch 8.2.0935: flattening a list with existing code is slow

Problem:    Flattening a list with existing code is slow.
Solution:   Add flatten(). (Mopp, closes #3676)

src/evalfunc.c

diff --git a/src/evalfunc.c b/src/evalfunc.c
index 4414509..e67aa58 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -541,6 +541,7 @@
     {"filter",		2, 2, FEARG_1,	  ret_any,	f_filter},
     {"finddir",		1, 3, FEARG_1,	  ret_string,	f_finddir},
     {"findfile",	1, 3, FEARG_1,	  ret_string,	f_findfile},
+    {"flatten",		1, 2, FEARG_1,	  ret_list_any,	f_flatten},
     {"float2nr",	1, 1, FEARG_1,	  ret_number,	FLOAT_FUNC(f_float2nr)},
     {"floor",		1, 1, FEARG_1,	  ret_float,	FLOAT_FUNC(f_floor)},
     {"fmod",		2, 2, FEARG_1,	  ret_float,	FLOAT_FUNC(f_fmod)},