Module: Rambling::Trie::Stringifyable

Included in:

Nodes::Node

Defined in:

lib/rambling/trie/stringifyable.rb

Overview

Provides the ‘String` representation behavior for the trie data structure.

Instance Method Summary

• #as_word ⇒ String

  String representation of the current node, if it is a terminal node.

• #to_s ⇒ String

  String representation of the current node.

Instance Method Details

#as_word ⇒ String

String representation of the current node, if it is a terminal node.

Returns:

• (String) —

  the string representation of the current node.

Raises:

• (InvalidOperation) —

  if the node has a letter and is not terminal.

# File 'lib/rambling/trie/stringifyable.rb', line 10

def as_word
  raise Rambling::Trie::InvalidOperation, 'Cannot represent branch as a word' if letter && !terminal?

  to_s
end

#to_s ⇒ String

String representation of the current node.

Returns:

• (String) —

  the string representation of the current node.

# File 'lib/rambling/trie/stringifyable.rb', line 18

def to_s
  parent.to_s + letter.to_s
end