Starts a debugging session if ruby-debug has been loaded (call rails server —debugger to do load it).
Require a library with fallback to RubyGems. Warnings during library loading are silenced to increase signal/noise for application warnings.
Silences any stream for the duration of the block.
silence_stream(STDOUT) do puts 'This will never be seen' end puts 'But this will'
Sets $VERBOSE to nil for the duration of the block and back to its original value afterwards.
silence_warnings do value = noisy_call # no warning voiced end noisy_call # warning voiced
Blocks and ignores any exception passed as argument if raised within the block.
suppress(ZeroDivisionError) do 1/0 puts "This code is NOT reached" end puts "This code gets executed and nothing related to ZeroDivisionError was seen"