Class: Trying::Proxy

Inherits:
BasicObject
Defined in:
lib/trying.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(obj) ⇒ Proxy

Returns a new instance of Proxy.



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# File 'lib/trying.rb', line 5

def initialize(obj)
  @cell = obj
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *argv, &block) ⇒ Object 



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# File 'lib/trying.rb', line 9

def method_missing(method, *argv, &block)
  return nil unless @cell.respond_to?(method)

  @cell = @cell.instance_eval do
    public_send(method, *argv, &block)
  end
end

Instance Attribute Details

#cell ⇒ Object

Returns the value of attribute cell.



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# File 'lib/trying.rb', line 3

def cell
  @cell
end

Instance Method Details

#failed?(error = ::StandardError, &block) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/trying.rb', line 31

def failed?(error = ::StandardError, &block)
  with(&block) if @cell.is_a? error
end

#pipe(method, *argv, &block) ⇒ Object 



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# File 'lib/trying.rb', line 27

def pipe(method, *argv, &block)
  method.call(@cell, *argv, &block)
end

#tap(&block) ⇒ Object 



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# File 'lib/trying.rb', line 21

def tap(&block)
  block.call(@cell)
rescue => e
  @cell = e
end

#with(&block) ⇒ Object 



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# File 'lib/trying.rb', line 17

def with(&block)
  @cell = tap(&block)
end