instance method `uniq_by`

Ruby on Rails 4.0.13

Since v3.0.20 Last seen in v4.0.13

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13

Compare with:

uniq_by(&block)

DEPRECATED: Use Array#uniq instead.

Returns a unique array based on the criteria in the block.

[1, 2, 3, 4].uniq_by { |i| i.odd? } # => [1, 2]

Parameters

block block

Source

# File activesupport/lib/active_support/core_ext/array/uniq_by.rb, line 7
  def uniq_by(&block)
    ActiveSupport::Deprecation.warn 'uniq_by is deprecated. Use Array#uniq instead'
    uniq(&block)
  end

Defined in activesupport/lib/active_support/core_ext/array/uniq_by.rb line 7 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Array

Signature

Parameters