provides cascading errors with formatted messages see the specs for details
e.g. module Backup
begin begin begin raise Errors::ZoneAError, 'an error occurred in Zone A' rescue => err raise Errors::ZoneBError.wrap(err, <<-EOS) an error occurred in Zone B the following error should give a reason EOS end rescue => err raise Errors::ZoneCError.wrap(err) end rescue => err puts Errors::ZoneDError.wrap(err, 'an error occurred in Zone D') end
end
Outputs:
ZoneDError: an error occurred in Zone D Reason: ZoneCError ZoneBError: an error occurred in Zone B the following error should give a reason Reason: ZoneAError an error occurred in Zone A
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