instance method `deep_merge!`

Ruby on Rails 4.0.13

Since v2.3.18

Available in: v2.3.18 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 v8.0.4 v8.1.2

Compare with:

deep_merge!(other_hash, &block)

Same as deep_merge, but modifies self.

Parameters

other_hash req
block block

Source

# File activesupport/lib/active_support/core_ext/hash/deep_merge.rb, line 21
  def deep_merge!(other_hash, &block)
    other_hash.each_pair do |current_key, other_value|
      this_value = self[current_key]

      self[current_key] = if this_value.is_a?(Hash) && other_value.is_a?(Hash)
        this_value.deep_merge(other_value, &block)
      else
        if block_given? && key?(current_key)
          block.call(current_key, this_value, other_value)
        else
          other_value
        end
      end
    end

    self
  end

Defined in activesupport/lib/active_support/core_ext/hash/deep_merge.rb line 21 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Hash

Signature

Parameters