nvim/golang: lazy load snippets only once

.config/nvim/ftplugin/go.lua

@@ -1,6 +1,7 @@
 vim.bo.expandtab = false
 
-do
+local once = require("once")
+once.test_and_load("ft_go", function()
     local luasnip = require("luasnip")
     local s = luasnip.snippet
     local t = luasnip.text_node
@@ -9,9 +10,12 @@ do
 
     luasnip.add_snippets("go", {
         s("ie", {
-            t("if err != nil {"), cr(),
-            t("\t"), i(0), cr(),
+            t("if err != nil {"),
+            cr(),
+            t("\t"),
+            i(0),
+            cr(),
             t("}"),
         }),
     })
-end
+end)