Cross Reference: /prebuilts/go/linux-x86/src/container/heap

`Name`	`Date`	`Size`
Up to higher level directory
`example_intheap_test.go`	06-Dec-2017	`1.1K`
`example_pq_test.go`	06-Dec-2017	`2.4K`
`heap.go`	06-Dec-2017	`3.2K`
`heap_test.go`	06-Dec-2017	`3.4K`