Day 21: Lint your application and middleware

We've been talking about adapting existing web frameworks to PSGI and writing a new application using PSGI as an interface, but we haven't talked about error handling. Handling errors We have an awesome stack trace middleware enabled by default, so if an end user application throws an error, we can catch them and display a nice error page. But what if there is an error or a bug in one of middlewar

[Yuichirou]

自分の書いたPSGIアプリの文法チェック。