Module: ValueSemantics

Defined in:
lib/value_semantics.rb,
lib/value_semantics/version.rb

Defined Under Namespace

Modules: Anything, Bool, ClassMethods, InstanceMethods Classes: ArrayOf, Attribute, DSL, Either, Error, MissingAttributes, NoDefaultValue, Recipe, Struct, UnrecognizedAttributes

Constant Summary collapse

NOT_SPECIFIED = 
Object.new.freeze
VERSION = 
"3.2.1"

Class Method Summary collapse

Class Method Details

.bake_module(recipe) ⇒ Module

Creates a module from a Recipe

Parameters:

Returns:

  • (Module) 


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# File 'lib/value_semantics.rb', line 29

def self.bake_module(recipe)
  Module.new do
    const_set(:VALUE_SEMANTICS_RECIPE__, recipe)
    include(InstanceMethods)

    # define the attr readers
    recipe.attributes.each do |attr|
      module_eval("def #{attr.name}; #{attr.instance_variable}; end")
    end

    def self.included(base)
      base.const_set(:ValueSemantics_Attributes, self)
      base.extend(ClassMethods)
    end
  end
end

.for_attributes { ... } ⇒ Module

Creates a module via the DSL

Yields:

  • The block containing the DSL

Returns:

  • (Module)

See Also:



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# File 'lib/value_semantics.rb', line 18

def self.for_attributes(&block)
  recipe = DSL.run(&block)
  bake_module(recipe)
end