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sort.Search: slightly more precise wording in comment

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(+ some cosmetic changes)

R=iant, iant2
CC=golang-dev
https://golang.org/cl/3076041
This commit is contained in:
Robert Griesemer 2010-11-12 16:08:56 -08:00
parent bac478da1c
commit 8f651ff742
1 changed files with 4 additions and 3 deletions
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7
src/pkg/sort/search.go
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@ -27,7 +27,7 @@ package sort
// data[i-1] < x && x <= data[i]
//
// where data[-1] is assumed to be smaller than any x and data[n] is
// assumed to be larger than any x. Thus 0 <= i <= n and i is the first
// assumed to be larger than any x. Thus 0 <= i <= n and i is the smallest
// index of x if x is present in the data. It is the responsibility of
// the caller to verify the actual presence by testing if i < n and
// data[i] == x.
@ -42,6 +42,7 @@ package sort
// } else {
// // elem is not present in data
// }
//
func Search(n int, f func(int) bool) int {
i, j := 0, n
for i+1 < j {
@ -55,11 +56,11 @@ func Search(n int, f func(int) bool) int {
j = h
}
}
// test the final element that the loop did not.
// test the final element that the loop did not
if i < j && f(i) {
// data[i] < x
i++
}
return i
}