Flowdock
method

merge!

Importance_0
v4.0.2 - Show latest stable - 0 notes - Class: ActionDispatch::Http::Headers
merge!(headers_or_env) public

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# File actionpack/lib/action_dispatch/http/headers.rb, line 46
      def merge!(headers_or_env)
        headers_or_env.each do |key, value|
          self[env_name(key)] = value
        end
      end
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