Module: Contracts::Core

Defined in:
lib/contracts/core.rb

Class Method Summary collapse

Class Method Details

.common(base) ⇒ Object 



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# File 'lib/contracts/core.rb', line 13

def self.common(base)
  base.extend(MethodDecorators)

  base.instance_eval do
    def functype(funcname)
      contracts = Engine.fetch_from(self).decorated_methods_for(:class_methods, funcname)
      if contracts.nil?
        "No contract for #{self}.#{funcname}"
      else
        "#{funcname} :: #{contracts[0]}"
      end
    end
  end

  # NOTE: Workaround for `defined?(super)` bug in ruby 1.9.2
  # source: http://stackoverflow.com/a/11181685
  # bug: https://bugs.ruby-lang.org/issues/6644
  base.class_eval "    # TODO: deprecate\n    # Required when contracts are included in global scope\n    def Contract(*args)\n      if defined?(super)\n        super\n      else\n        self.class.Contract(*args)\n      end\n    end\n  RUBY\n\n  base.class_eval do\n    def functype(funcname)\n      contracts = Engine.fetch_from(self.class).decorated_methods_for(:instance_methods, funcname)\n      if contracts.nil?\n        \"No contract for \#{self.class}.\#{funcname}\"\n      else\n        \"\#{funcname} :: \#{contracts[0]}\"\n      end\n    end\n  end\nend\n", __FILE__, __LINE__ + 1

.extended(base) ⇒ Object 



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# File 'lib/contracts/core.rb', line 9

def self.extended(base)
  common(base)
end

.included(base) ⇒ Object 



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# File 'lib/contracts/core.rb', line 5

def self.included(base)
  common(base)
end