Contents

module Rambling
  # Provides some proxy methods to the children's hash for readability.
  module ChildrenHashDeferer
    # Proxies to @children[key]
    # @param [Symbol] key the key to look for in the children's hash.
    # @return [TrieNode, nil] the child node with that key or nil.
    def [](key)
      @children[key]
    end

    # Proxies to @children[key] = value.
    # @param [Symbol] key the to add or change the value for.
    # @param [TrieNode] value the node to add to the children's hash.
    # @return [TrieNode, nil] the child node with that key or nil.
    def []=(key, value)
      @children[key] = value
    end

    # Proxies to @children.delete(key)
    # @param [Symbol] key the key to delete in the children's hash.
    # @return [TrieNode, nil] the child node corresponding to the key just deleted or nil.
    def delete(key)
      @children.delete(key)
    end

    # Proxies to @children.has_key?(key)
    # @param [Symbol] key the key to look for in the children's hash.
    # @return [Boolean] `true` for the keys that exist in the children's hash, false otherwise.
    def has_key?(key)
      @children.has_key?(key)
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
rambling-trie-0.4.0	lib/rambling-trie/children_hash_deferer.rb
rambling-trie-0.3.4	./lib/children_hash_deferer.rb
rambling-trie-0.3.3	./lib/children_hash_deferer.rb