Plack::Middleware::InteractiveDebuggerがすごい

Perl

plackup -e 'enable "InteractiveDebugger"' -a app.psgi で使える。

stacktraceを差し替えるモジュールなんだけど、stacktrace中で変数のdumpとかできる

StackTrace (most recent call first)
File "local/lib/perl5/Plack/Middleware/InteractiveDebugger.pm", line 108, in Plack::Middleware::InteractiveDebugger::__ANON__
$self->app->($env);
[console ready]
perl> use Data::Dumper
perl> Dumper $env
$VAR1 = {
          'psgi.multiprocess' => '',
          'SCRIPT_NAME' => '',
          'SERVER_NAME' => 0,
          'HTTP_ACCEPT_ENCODING' => 'gzip,deflate,sdch',
          'HTTP_CONNECTION' => 'keep-alive',
          'PATH_INFO' => '/die',
          -- snip --