Module: TypeWrapper

Defined in:
lib/type_wrapper.rb,
lib/type_wrapper/module.rb,
lib/type_wrapper/version.rb

Defined Under Namespace

Classes: Module

Constant Summary collapse

FOR = 
-> type, *behaviors do
  Class.new(Delegator) do
    include TypeWrapper
    const_set :Type, type
    const_set :BEHAVIORS, behaviors
    const_set :Trait, Module.new { behaviors.each { |mod| include mod.refines(type) } }
    forwarding = behaviors.flat_map(&:public_instance_methods) - public_instance_methods
    code = forwarding.uniq.map { |meth| "def %{meth}(*args, &block) __getobj__.%{meth}(*args, &block) end" % { meth: meth } }
    class_eval code.unshift("using Trait").join("\n")
  end
end
VERSION = 
"1.2.0".freeze

Class Method Summary collapse

Class Method Details

.[](*types) ⇒ Object

Raises:

  • (TypeError) 


14
15
16
17
18
19
 
# File 'lib/type_wrapper.rb', line 14

def self.[](*types)
  raise TypeError, "wrong argument type (expected Module(s))" if types.include?(nil)
  raise ArgumentError, "wrong number of arguments (given #{types.size}, expected 2+)" if types.size < 2

  FOR[*types]
end