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sort: document two undocumented functions

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They looked out of place in godoc.
Includes documenting sort stability.

Fixes #3356

R=golang-dev, gri, trolleriprofessorn
CC=golang-dev
https://golang.org/cl/5855044
This commit is contained in:
Brad Fitzpatrick 2012-03-20 11:40:41 -07:00
parent 1abd8d8fd0
commit 65dc7dc90b
1 changed files with 3 additions and 0 deletions
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3
src/pkg/sort/sort.go
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@ -183,6 +183,8 @@ func quickSort(data Interface, a, b, maxDepth int) {
}
}
// Sort sorts data.
// The algorithm used is not guaranteed to be a stable sort.
func Sort(data Interface) {
// Switch to heapsort if depth of 2*ceil(lg(n)) is reached.
n := data.Len()
@ -194,6 +196,7 @@ func Sort(data Interface) {
quickSort(data, 0, n, maxDepth)
}
// IsSorted reports whether data is sorted.
func IsSorted(data Interface) bool {
n := data.Len()
for i := n - 1; i > 0; i-- {