-- foo.cue -- #MyEnum: #Val1 | #Val2 | #Val3 #Val1: 1 #Val2: 2 #Val3: 3 a0: #MyEnum a1: [...#MyEnum] -- input.textproto -- a0: Val1 a1: Val1 a1: Val2 a1: Val3 a1: 2 -- out/decode -- a0: 1 a1: [1, 2, 3, 2]