Class: Functor

Inherits:
Object
  • Object
show all
Defined in:
lib/functor.rb

Defined Under Namespace

Modules: Method Classes: NoMatch

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize {|_self| ... } ⇒ Functor

Returns a new instance of Functor.

Yields:

  • (_self)

Yield Parameters:

  • _self (Functor) —

    the object that the method was called on



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# File 'lib/functor.rb', line 82

def initialize( &block )
  class << self; include Functor::Method; end
  yield( self ) if block_given?
end

Class Method Details

.cache_config(options = {}) ⇒ Object 



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

def self.cache_config(options={})
  (@cache_config ||= { :size => 4_096, :base => 8 }).merge!(options)
end

.match?(args, pattern) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/functor.rb', line 95

def self.match?( args, pattern )
  args.all? do |arg|
    pat = pattern[args.index(arg)]
    pat === arg || ( pat.respond_to?(:call) && pat.call(arg))
  end if args.length == pattern.length
end

Instance Method Details

#[](*args, &block) ⇒ Object 



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# File 'lib/functor.rb', line 91

def []( *args, &block ); call( *args, &block ); end

#given(*pattern, &action) ⇒ Object 



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# File 'lib/functor.rb', line 87

def given( *pattern, &action )
  (class << self; self; end)._functor( "call", false, *pattern, &action)
end

#to_proc ⇒ Object 



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# File 'lib/functor.rb', line 93

def to_proc ; lambda { |*args| call( *args ) } ; end