method

fetch

v5.2.3 - Show latest stable - 0 notes - Class: Session

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What's this?

fetch(key, default = Unspecified, &block) public

Returns value of the given key from the session, or raises KeyError if can’t find the given key and no default value is set. Returns default value if specified.

session.fetch(:foo)
# => KeyError: key not found: "foo"

session.fetch(:foo, :bar)
# => :bar

session.fetch(:foo) do
  :bar
end
# => :bar

Show source

# File actionpack/lib/action_dispatch/request/session.rb, line 170
      def fetch(key, default = Unspecified, &block)
        load_for_read!
        if default == Unspecified
          @delegate.fetch(key.to_s, &block)
        else
          @delegate.fetch(key.to_s, default, &block)
        end
      end

fetch

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