Class: Compo::Composites::Leaf

Inherits:

Object

• Object
• Compo::Composites::Leaf

Includes:

Composite

Defined in:

lib/compo/composites/leaf.rb

Overview

A Composite that cannot have children

Add/remove operations on a leaf composite always fail, and #children always returns the empty hash.

This is useful for leaf classes that still need to expose the composite API.

Direct Known Subclasses

Branches::Leaf

Instance Method Summary

• #children ⇒ Hash

  Returns the empty hash.

Methods included from Composite

#add, #get_child, #get_child_such_that, #remove, #remove_id

Instance Method Details

#children ⇒ Hash

Returns the empty hash

Examples:

Gets the children

comp.children
#=> {}

Returns:

• (Hash) —

  The empty hash.

# File 'lib/compo/composites/leaf.rb', line 23

def children
  {}
end