multiples bool  // if set, typ appears multiple times at this depth
}

// consolidateMultiples collects multiple list entries with the same type
// into a single entry marked as containing multiples. The result is the
// consolidated list.
func consolidateMultiples(list []embeddedType) []embeddedType {
	if len(list) <= 1 {
		return list // at most one entry - nothing to do
	}

	multiples bool  // if set, typ appears multiple times at this depth
}

// consolidateMultiples collects multiple list entries with the same type
// into a single entry marked as containing multiples. The result is the
// consolidated list.
func consolidateMultiples(list []embeddedType) []embeddedType {
	if len(list) <= 1 {
		return list // at most one entry - nothing to do
	}

		for k := range fset {
			if _, found := base[k]; !found {
				if base == nil {
					base = make(methodSet)
				}
				base[k] = nil // collision
			}
		}

		current = consolidateMultiples(next)
	}

	if len(base) == 0 {
		return &emptyMethodSet
	}

	// collect methods
	var list []*Selection
	for _, m := range base {
		if m != nil {
			m.recv = T