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 collapse

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:



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

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

  to_s
end

#to_s ⇒ String

String representation of the current node.

Returns:

  • (String) —

    the string representation of the current node.



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# File 'lib/rambling/trie/stringifyable.rb', line 21

def to_s
  parent.to_s + letter.to_s
end