cue trim -o - ./trim
cmp stdout expect-stdout
-- expect-stdout --
package trim

foo: [string]: {
	_value: string

	a: 4
	b: string
	d: 8
	e: "foo"
	f: ">> \( _value) <<"
	n: 5

	list: ["foo", 8.0]

	struct: {a: 3.0}

	sList: [{a: 8, b: string}, {a: 9, b: *"foo" | string}]
	rList: [{a: "a"}]
	rcList: [{a: "a", c: b}]

	t: [string]: {
		x: >=0 & <=5
	}
}

foo: bar: {
	_value: "here"
	b:      "foo"
	c:      45

	sList: [{b: "foo"}, {}]
}

foo: baz: {}

foo: multipath: {
	t: [string]: {
		// Combined with the other constraints, we know the value must be 5 and
		// thus the entry below can be eliminated.
		x: >=5 & <=8 & int
	}

	t: u: {
	}
}

// TODO: top-level fields are currently not removed.
group: {
	for k, v in foo {
		comp: "\(k)": v
	}

	comp: bar: {
		aa: 8 // new value
	}

	comp: baz: {} // removed: fully implied by comprehension above
}
-- trim/trim.cue --
package trim

foo: [string]: {
	_value: string

	a: 4
	b: string
	d: 8
	e: "foo"
	f: ">> \( _value) <<"
	n: 5

	list: ["foo", 8.0]

	struct: {a: 3.0}

	sList: [{a: 8, b: string}, {a: 9, b: *"foo" | string}]
	rList: [{a: "a"}]
	rcList: [{a: "a", c: b}]

	t: [string]: {
		x: >=0 & <=5
	}
}

foo: bar: {
	_value: "here"

	a: 4
	b: "foo"
	c: 45
	e: string
	f: ">> here <<"  // TODO: remove

	// 5 is an integer, so this can be removed.
	n: int

	struct: {a: 3.0}

	list: ["foo", float]

	sList: [{a: 8, b: "foo"}, {b: "foo"}]
	rList: [{a: string}]
	rcList: [{a: "a", c: "foo"}]
}

foo: baz: {}

foo: multipath: {
	t: [string]: {
		// Combined with the other constraints, we know the value must be 5 and
		// thus the entry below can be eliminated.
		x: >=5 & <=8 & int
	}

	t: u: {
		x: 5
	}
}

// TODO: top-level fields are currently not removed.
group: {
	for k, v in foo {
		comp: "\(k)": v
	}

	comp: bar: {
		a:  4
		aa: 8 // new value
	}

	comp: baz: {} // removed: fully implied by comprehension above
}
-- cue.mod --