instance method `extract!`

Ruby on Rails 3.2.22.5

Since v3.0.20

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

extract!(*keys)

Removes and returns the key/value pairs matching the given keys.

{:a => 1, :b => 2, :c => 3, :d => 4}.extract!(:a, :b) # => {:a => 1, :b => 2}

Parameters

keys rest

Source

# File activesupport/lib/active_support/core_ext/hash/slice.rb, line 35
  def extract!(*keys)
    result = {}
    keys.each {|key| result[key] = delete(key) }
    result
  end

Defined in activesupport/lib/active_support/core_ext/hash/slice.rb line 35 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Hash

Signature

Parameters