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# File 'lib/contracts.rb', line 20
def self.common(base)
Eigenclass.lift(base)
return if base.respond_to?(:Contract)
base.extend(MethodDecorators)
base.instance_eval do
def functype(funcname)
contracts = decorated_methods[:class_methods][funcname]
if contracts.nil?
"No contract for #{self}.#{funcname}"
else
"#{funcname} :: #{contracts[0]}"
end
end
end
base.class_eval do
unless base.instance_of?(Module)
def Contract(*args)
return if ENV["NO_CONTRACTS"]
if self.class == Module
puts %{
Warning: You have added a Contract on a module function
without including Contracts::Modules. Your Contract will
just be ignored. Please include Contracts::Modules into
your module.}
end
self.class.Contract(*args)
end
end
def functype(funcname)
contracts = self.class.decorated_methods[:instance_methods][funcname]
if contracts.nil?
"No contract for #{self.class}.#{funcname}"
else
"#{funcname} :: #{contracts[0]}"
end
end
end
end
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