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authorJustin M. Keyes <justinkz@gmail.com>2018-12-27 22:49:44 +0100
committerJustin M. Keyes <justinkz@gmail.com>2018-12-27 22:49:44 +0100
commitc1015121ec626cab6cb384f544bc0be1a1760c0e (patch)
tree6cc9a5d1899a4486a24c491e07d17a7dd01f9503 /runtime/lua/vim/compat.lua
parent4f030ec24e0e148bbb83aedaef7dd629e5fef130 (diff)
parente1876c7ad1b5e30c0a9919e2c4587d11550c8507 (diff)
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Merge 'upstream/master' into pr-win-erw7
Diffstat (limited to 'runtime/lua/vim/compat.lua')
-rw-r--r--runtime/lua/vim/compat.lua12
1 files changed, 12 insertions, 0 deletions
diff --git a/runtime/lua/vim/compat.lua b/runtime/lua/vim/compat.lua
new file mode 100644
index 0000000000..168979bb95
--- /dev/null
+++ b/runtime/lua/vim/compat.lua
@@ -0,0 +1,12 @@
+-- Lua 5.1 forward-compatibility layer.
+-- For background see https://github.com/neovim/neovim/pull/9280
+--
+-- Reference the lua-compat-5.2 project for hints:
+-- https://github.com/keplerproject/lua-compat-5.2/blob/c164c8f339b95451b572d6b4b4d11e944dc7169d/compat52/mstrict.lua
+-- https://github.com/keplerproject/lua-compat-5.2/blob/c164c8f339b95451b572d6b4b4d11e944dc7169d/tests/test.lua
+
+local lua_version = _VERSION:sub(-3)
+
+if lua_version >= "5.2" then
+ unpack = table.unpack -- luacheck: ignore 121 143
+end