method

dup

v4.2.1 - Show latest stable - Class: ActiveSupport::HashWithIndifferentAccess

dup()

public

Returns a shallow copy of the hash.

hash = ActiveSupport::HashWithIndifferentAccess.new({ a: { b: 'b' } })
dup  = hash.dup
dup[:a][:c] = 'c'

hash[:a][:c] # => nil
dup[:a][:c]  # => "c"

# File activesupport/lib/active_support/hash_with_indifferent_access.rb, line 189
    def dup
      self.class.new(self).tap do |new_hash|
        new_hash.default = default
      end
    end

dup

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