Alias for rand_value

Alias for rand_value!

Alias for rand_value!

Alias for rand_key!

Alias for rand_pair!

Returns a random key.

  {:one => 1, :two => 2, :three => 3}.pick_key  #~> :three

Delete a random key-value pair, returning the key.

  a = {:one => 1, :two => 2, :three => 3}
  a.rand_key!  #~> :two
  a            #~> {:one => 1, :three => 3}

Returns a random key-value pair.

  {:one => 1, :two => 2, :three => 3}.pick  #~> [:one, 1]

Deletes a random key-value pair and returns that pair.

  a = {:one => 1, :two => 2, :three => 3}
  a.rand_pair!  #~> [:two, 2]
  a             #~> {:one => 1, :three => 3}

Returns a random hash value.

  {:one => 1, :two => 2, :three => 3}.rand_value  #~> 2
  {:one => 1, :two => 2, :three => 3}.rand_value  #~> 1

Deletes a random key-value pair and returns the value.

  a = {:one => 1, :two => 2, :three => 3}
  a.at_rand!  #~> 2
  a           #~> {:one => 1, :three => 3}

Returns a copy of the hash with values arranged in new random order.

  h = {:a=>1, :b=>2, :c=>3}
  h.shuffle  #~> {:b=>2, :c=>1, :a>3}

Destructive shuffle_hash. Arrange the values in a new random order.

  h = {:a => 1, :b => 2, :c => 3}
  h.shuffle!
  h  #~> {:b=>2, :c=>1, :a=>3}