Class: Jinx::Associative

Inherits:

Object

• Object
• Jinx::Associative

Defined in:

lib/jinx/helpers/associative.rb

Overview

An Associative object implements a #[] method.

Direct Known Subclasses

Writable

Instance Method Summary

• #[](key) ⇒ Object

  The associated object.

• #initialize {|key| ... } ⇒ Associative constructor

  A new instance of Associative.

• #writer {|key| ... } ⇒ Associative

  A new Associative with a []= writer method.

Constructor Details

#initialize {|key| ... } ⇒ Associative

Returns a new instance of Associative.

Yields:

• (key) —

  the associated oject

Yield Parameters:

• key —

  the key to find

# File 'lib/jinx/helpers/associative.rb', line 7

def initialize(&accessor)
  @accessor = accessor
end

Instance Method Details

#[](key) ⇒ Object

Returns the associated object.

Parameters:

• key —

  the key to find

Returns:

• the associated object

# File 'lib/jinx/helpers/associative.rb', line 13

def [](key)
  @accessor.call(key)
end

#writer {|key| ... } ⇒ Associative

Returns a new Associative with a []= writer method.

Yields:

• (key) —

  the associated oject

Yield Parameters:

• key —

  the key to find

Returns:

• (Associative) —

  a new Associative with a []= writer method

# File 'lib/jinx/helpers/associative.rb', line 20

def writer(&writer)
  Writable.new(self, &writer)
end