【发布时间】:2021-05-31 13:57:39
【问题描述】:
这个警告有多严重?我可以在这个警告中使用这个模块吗?这个警告的副作用是什么。
警告:未定义的回调函数终止/3(行为 'gen_statem')**
Erlang/OTP: 19.0.7
git clone https://github.com/inaka/apns4erl.git
cd apns4erl/
wget https://s3.amazonaws.com/rebar3/rebar3 && chmod +x rebar3
./rebar3 compile
===> Fetching coveralls v2.2.0
===> Fetching jsx v2.10.0
===> Analyzing applications...
===> Compiling jsx
===> Compiling coveralls
===> Verifying dependencies...
===> Fetching base64url v1.0.1
===> Fetching gun v1.3.3
===> Fetching jsx v3.0.0
===> Fetching cowlib v2.7.3
===> Analyzing applications...
===> Compiling cowlib
===> Compiling base64url
===> Compiling gun
===> Compiling jsx
===> Analyzing applications...
===> Compiling apns
**src/apns_connection.erl:22: Warning: undefined callback function terminate/3 (behaviour 'gen_statem')**
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