class LogicalLambda

Public Class Methods

define_comparable(compare_method) click to toggle source

Comparables #############

# File lib/logical_lambda.rb, line 21
def self.define_comparable(compare_method)
  define_method compare_method do |other|
    if other.respond_to?(:call)
      LogicalLambda.new {|*args| call(*args).send(compare_method, other.call(*args)) }
    else
      # Must not be a block
      LogicalLambda.new {|*args| call(*args).send(compare_method, other) }
    end
  end
end

Public Instance Methods

&(other) click to toggle source

AND

# File lib/logical_lambda.rb, line 5
def &(other)
  LogicalLambda.new {|*args| call(*args) && other.call(*args) }
end

|(other) click to toggle source

# File lib/logical_lambda.rb, line 15
def |(other)
  LogicalLambda.new {|*args| call(*args) || other.call(*args) }
end