each

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examples

{ a: 1, b: 2 }.each { |key| puts(key) }

{ a: 1, b: 2 }.each { |key, value| puts(value) }

{ a: 1, b: 2 }.each { |key, value, index| puts(index) }

{ a: 1, b: 2 }.each { |key, value, index, dictionary| puts(dictionary) }