internal/bytealg: move Count to bytealg

Move bytes.Count and strings.Count to bytealg.

Update #19792

Change-Id: I3e4e14b504a0b71758885bb131e5656e342cf8cb
Reviewed-on: https://go-review.googlesource.com/98495
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

1 files changed, 0 insertions, 6 deletions

diff --git a/src/strings/strings_generic.go b/src/strings/strings_generic.go
index b2af48bec8..ac3b8dce85 100644
--- a/src/strings/strings_generic.go
+++ b/src/strings/strings_generic.go
@@ -53,9 +53,3 @@ func Index(s, substr string) int {
 	}
 	return -1
 }
-
-// Count counts the number of non-overlapping instances of substr in s.
-// If substr is an empty string, Count returns 1 + the number of Unicode code points in s.
-func Count(s, substr string) int {
-	return countGeneric(s, substr)
-}