[vscode] 创建erlang gen_serve 文件快捷方式

点击左下角功能按钮，代码片段，新建全局代码片段，然后输入自定义内容就可以

{"Erlang gen_server": {"prefix": "genserver","body": ["-module(${1:module_name}).","-behaviour(gen_server).","","%% API","-export([start_link/0]).","","%% gen_server callbacks","-export([init/1, handle_call/3, handle_cast/2, handle_info/2,","         terminate/2, code_change/3]).","","-record(state, {}).","","%%%===================================================================","%%% API","%%%===================================================================","","start_link() ->","    gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).","","%%%===================================================================","%%% gen_server callbacks","%%%===================================================================","","init([]) ->","    {ok, #state{}}.","","handle_call(Request, _From, State) ->","    lager:error(\"Unhandled call: ===> ~p\", [Request]),","    Reply = ok,","    {reply, Reply, State}.","","handle_cast(Msg, State) ->","    lager:error(\"Unhandled cast: ===> ~p\", [Msg]),","    {noreply, State}.","","handle_info(Info, State) ->","    lager:error(\"Unhandled info: ===> ~p\", [Info]),","    {noreply, State}.","","terminate(Reason, _State) ->","    lager:error(\"Server terminated: ===> ~p\", [Reason]),","    ok.","","code_change(_OldVsn, State, _Extra) ->","    {ok, State}."],"description": "Template for an Erlang gen_server"}
}