Class: AvaRbToolbox::Enumerable

Inherits:
Object
  • Object
show all
Defined in:
lib/ava_rb_toolbox/enumerable.rb

Overview

This class extends functionality of an enumerable

Author:

  • Anton Kuzmin

Instance Method Summary collapse

Constructor Details

#initialize(target) ⇒ Enumerable

Returns a new instance of Enumerable.



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# File 'lib/ava_rb_toolbox/enumerable.rb', line 13

def initialize(target)
  @target = target
end

Instance Method Details

#group_by_unique(proc = nil, &block) ⇒ Hash

Groups enumerable entries by key returned by ‘proc` or `block` into hash where value is an enumerable’s entry.

If ‘block` is given, `proc` is ignored.

Returns:

  • (Hash) 


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# File 'lib/ava_rb_toolbox/enumerable.rb', line 23

def group_by_unique(proc = nil, &block)
  result = {}

  return result if proc.nil? and !block_given?

  proc = block if block_given?

  @target.each_entry do |item|
    result[proc.call(item)] = item
  end

  result
end