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slices: explicitly document nil and empty slice equality

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Fixes #68472

Change-Id: I21282621d679d9e2b032256b338c0b5ff107c8f4
Reviewed-on: https://go-review.googlesource.com/c/go/+/599816
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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Sean Liao 2024-07-19 23:34:02 +01:00 • committed by Gopher Robot
parent f0de94ff12
commit a799fa5189
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src/slices/slices.go
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@ -15,6 +15,7 @@ import (
// elements equal. If the lengths are different, Equal returns false.
// Otherwise, the elements are compared in increasing index order, and the
// comparison stops at the first unequal pair.
// Empty and nil slices are considered equal.
// Floating point NaNs are not considered equal.
func Equal[S ~[]E, E comparable](s1, s2 S) bool {
if len(s1) != len(s2) {