Class: Tree::Pairs

Inherits:

Enumerator

• Object
• Enumerator
• Tree::Pairs

Defined in:

lib/modular_tree/pairs.rb

Instance Method Summary

• #fold ⇒ Object

  Turn into a nested array tree.

• #group ⇒ Object
• #to_h ⇒ Object

Instance Method Details

#fold ⇒ Object

Turn into a nested array tree

# File 'lib/modular_tree/pairs.rb', line 10

def fold = abstract_method

#group ⇒ Object

# File 'lib/modular_tree/pairs.rb', line 3

def group
  h = {}
  each { |first, last| (h[first] ||= []) << last }
  h.each
end

#to_h ⇒ Object

# File 'lib/modular_tree/pairs.rb', line 12

def to_h = abstract_method