-- in.cue --
import "list"

issue563: {
	#MyDef: {
		name: string
		...
	}

	_all: [
		_a,
		_b,
	]

	_a: [...#MyDef] & [
		{name: "a"},
		{name: "b"},
		{name: "c"},
	]

	_b: [...#MyDef] & [
		{name: "1"},
		{name: "2"},
		{name: "3"},
	]

	output: [...#MyDef] & list.FlattenN(_all, 1)
}
issue1404: {
	a:   *1 | 2
	sum: list.Sum([a])
}
-- out/list --
issue563: {
	#MyDef: {
		name: string
	}
	output: [{
		name: "a"
	}, {
		name: "b"
	}, {
		name: "c"
	}, {
		name: "1"
	}, {
		name: "2"
	}, {
		name: "3"
	}]
}
issue1404: {
	a:   *1 | 2
	sum: 1
}