slices: simplify slice expression for Replace

A slice expression of the form:
	s[a:len(s)]
will be simplified to:
	s[a:]
This is one of the simplifications that "gofmt -s" applies.

See https://pkg.go.dev/golang.org/x/tools/gopls/internal/analysis/simplifyslice

Change-Id: Ib3c01ecf24b84333fd1993a343450fc57fb8ac84
Reviewed-on: https://go-review.googlesource.com/c/go/+/575335
Reviewed-by: Ian Lance Taylor <iant@google.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Valentin Deleplace <deleplace@google.com>

diff --git a/src/slices/slices.go b/src/slices/slices.go
index 271e8cb32559270ba1d4877942383c8e03db64bb..a5734a17bf496bf6559382e6d3c3d32515529b55 100644 (file)
--- a/src/slices/slices.go
+++ b/src/slices/slices.go
@@ -261,7 +261,7 @@ func Replace[S ~[]E, E any](s S, i, j int, v ...E) S {
        if j == len(s) {
                s2 := append(s[:i], v...)
                if len(s2) < len(s) {
-                       clear(s[len(s2):len(s)]) // zero/nil out the obsolete elements, for GC
+                       clear(s[len(s2):]) // zero/nil out the obsolete elements, for GC
                }
                return s2
        }