Module: Rescuer

Defined in:
lib/rescuer.rb,
lib/rescuer/version.rb

Defined Under Namespace

Classes: Failure, Success

Constant Summary collapse

DEFAULT_EXCEPTIONS_TO_RESCUE = 
[StandardError]
VERSION =

The current version of this gem

'0.1.0'

Class Method Summary collapse

Class Method Details

.new(*exceptions) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/rescuer.rb', line 6

def new(*exceptions)
  raise ArgumentError, 'no block given' unless block_given?

  passed = exceptions && exceptions.flatten.compact
  to_rescue, to_pass =
    if passed.nil? || passed.empty? then [DEFAULT_EXCEPTIONS_TO_RESCUE, nil] else [passed, passed] end

  begin
    value = yield
    Success.new(value, to_pass)
 rescue *to_rescue => error
    Failure.new(error, to_pass)
  end
end