ruby tips

(rdb:1) disp $!.inspect
13: $!.inspect = #<NoMethodError: undefined method `merge!' for nil:NilClass>
$!.backtrace
$0 文件名
wsdl2ruby << Logger::Application
log(FATAL, "Detected an exception. Stopping ... #{$!} (#{$!.class})\n" << [email protected]("\n"))

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