SYMBOL INDEX (5 symbols across 3 files)

FILE: src/main.go
  function main (line 5) | func main() {

FILE: src/sort/heap_sort.go
  function HeapSort (line 3) | func HeapSort(a []int) []int {
  function sink (line 19) | func sink(a []int, i int, length int) {
  function swap (line 45) | func swap(a []int, i, j int) {

FILE: src/sort/heap_sort_test.go
  function TestHeapSort (line 8) | func TestHeapSort(t *testing.T) {