Class: Functional::ProtocolInfo

Inherits:

Synchronization::Object

• Object
• Synchronization::Object
• Functional::ProtocolInfo

show all

Defined in:

lib/functional/protocol_info.rb

Overview

Instance Attribute Summary (collapse)

• - (Object) name readonly

  The symbolic name of the protocol.

Instance Method Summary (collapse)

• - (Hash) class_methods

  The class methods expected by this protocol.

• - (Array) constants

  The constants expected by this protocol.

• - (Functional::ProtocolInfo) initialize(name) { ... } constructor

  Process a protocol specification block and build a new object.

• - (Hash) instance_methods

  The instance methods expected by this protocol.

• - (Boolean) satisfies?(target)

  Does the given module/class/object satisfy this protocol?.

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# File 'lib/functional/protocol_info.rb', line 22

def initialize(name, &specification)
  raise ArgumentError.new('no block given') unless block_given?
  raise ArgumentError.new('no name given') if name.nil? || name.empty?
  super
  @name = name.to_sym
  @info = Info.new({}, {}, [])
  self.instance_eval(&specification)
  @info.each_pair{|col, _| col.freeze}
  @info.freeze
  ensure_ivar_visibility!
  self.freeze
end

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# File 'lib/functional/protocol_info.rb', line 12

def name
  @name
end

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# File 'lib/functional/protocol_info.rb', line 47

def class_methods
  @info.class_methods
end

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# File 'lib/functional/protocol_info.rb', line 54

def constants
  @info.constants
end

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# File 'lib/functional/protocol_info.rb', line 39

def instance_methods
  @info.instance_methods
end

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# File 'lib/functional/protocol_info.rb', line 61

def satisfies?(target)
  satisfies_constants?(target) &&
    satisfies_instance_methods?(target) &&
    satisfies_class_methods?(target)
end