type unique.uniqueMap

5 uses

	unique (current package)
		handle.go#L49: 	m := ma.(*uniqueMap[T])
		handle.go#L116: type uniqueMap[T comparable] struct {
		handle.go#L121: func addUniqueMap[T comparable](typ *abi.Type) *uniqueMap[T] {
		handle.go#L126: 	m := &uniqueMap[T]{cloneSeq: makeCloneSeq(typ)}
		handle.go#L143: 	return a.(*uniqueMap[T])