Make cpp for snippet dynamic

snippets/all.lua

@@ -6,7 +6,7 @@ local snip = luasnip.snippet
 local text = luasnip.text_node
 -- local isn = luasnip.indent_snippet_node
 -- local t = luasnip.text_node
-local insert = luasnip.insert_node
+local ins = luasnip.insert_node
 local func = luasnip.function_node
 -- local c = luasnip.choice_node
 -- local d = luasnip.dynamic_node
@@ -67,7 +67,7 @@ for _, name in ipairs({ 'fixme', 'todo', 'hack', 'warn', 'note' }) do
     snip(name, {
       func(comment_prefix),
       text(string.upper(name) .. ': '),
-      insert(0),
+      ins(0),
       func(comment_suffix),
     })
   )