Module: TypedArray

Defined in:
lib/typed-array.rb,
lib/typed-array/functions.rb

Overview

Namespace TypedArray

Defined Under Namespace

Modules: Functions Classes: UnexpectedTypeException

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(mod) ⇒ Object

Hook the extension process in order to include the necessary functions and do some basic sanity checks.



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# File 'lib/typed-array.rb', line 11

def self.extended( mod )
  unless mod <= Array
    raise UnexpectedTypeException.new( [Array], mod.class )
  end
  mod.module_exec(self::Functions) do |functions_module|
    include functions_module
  end
end

Instance Method Details

#inherited(subclass) ⇒ Object

when a class inherits from this one, make sure that it also inherits the types that are being enforced



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# File 'lib/typed-array.rb', line 22

def inherited( subclass )
  self._subclasses << subclass
  subclass.restricted_types *restricted_types
end

#restricted_types(*types) ⇒ Object Also known as: restricted_type

A getter/setter for types to add. If no arguments are passed, it simply returns the current array of accepted types.



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# File 'lib/typed-array.rb', line 29

def restricted_types(*types)
  @_restricted_types ||= []
  types.each do |type|
    raise UnexpectedTypeException.new([Class],type.class) unless type.is_a? Class
    @_restricted_types << type unless @_restricted_types.include? type
    _subclasses.each do |subclass|
      subclass.restricted_types type
    end
  end
  @_restricted_types
end