method

set

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What's this?

set(**options) public

Updates the execution context. If a block is given, it resets the provided keys to their previous value once the block exits.

Show source

# File activesupport/lib/active_support/execution_context.rb, line 13
      def set(**options)
        options.symbolize_keys!
        keys = options.keys

        store = self.store

        previous_context = keys.zip(store.values_at(*keys)).to_h

        store.merge!(options)
        @after_change_callbacks.each(&:call)

        if block_given?
          begin
            yield
          ensure
            store.merge!(previous_context)
            @after_change_callbacks.each(&:call)
          end
        end
      end

set

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