}

// IdenticalIgnoreTags reports whether x and y are identical types if tags are ignored.
// Receivers of [Signature] types are ignored.
func IdenticalIgnoreTags(x, y Type) bool {
	var c comparer
	c.ignoreTags = true
	return c.identical(x, y, nil)

}

// IdenticalIgnoreTags reports whether x and y are identical types if tags are ignored.
// Receivers of [Signature] types are ignored.
func IdenticalIgnoreTags(x, y Type) bool {
	var c comparer
	c.ignoreTags = true
	return c.identical(x, y, nil)

	prev *ifacePair
}

func (p *ifacePair) identical(q *ifacePair) bool {
	return p.x == q.x && p.y == q.y || p.x == q.y && p.y == q.x
}

// A comparer is used to compare types.
type comparer struct {
	ignoreTags     bool // if set, identical ignores struct tags
	ignoreInvalids bool // if set, identical treats an invalid type as identical to any type
}

	prev *ifacePair
}

func (p *ifacePair) identical(q *ifacePair) bool {
	return p.x == q.x && p.y == q.y || p.x == q.y && p.y == q.x
}

// A comparer is used to compare types.
type comparer struct {
	ignoreTags     bool // if set, identical ignores struct tags
	ignoreInvalids bool // if set, identical treats an invalid type as identical to any type
}