From 8e35910640bd190103d99d994d54b738e619c858 Mon Sep 17 00:00:00 2001
From: Jonathan FOng <jonathanfong098@gmail.com>
Date: Fri, 26 Aug 2022 12:10:32 -0700
Subject: [PATCH] math/rand: document that Source returned by NewSource
 implements Source64
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fixes #44488

Change-Id: I570950799788678b9dc6e9ddad894973b4611e09
Reviewed-on: https://go-review.googlesource.com/c/go/+/425974
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Joseph Tsai <joetsai@digital-static.net>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: David Chase <drchase@google.com>
---
 src/math/rand/rand.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/math/rand/rand.go b/src/math/rand/rand.go
index 4cce3dab64..bcf2f9c950 100644
--- a/src/math/rand/rand.go
+++ b/src/math/rand/rand.go
@@ -40,7 +40,12 @@ type Source64 interface {
 // NewSource returns a new pseudo-random Source seeded with the given value.
 // Unlike the default Source used by top-level functions, this source is not
 // safe for concurrent use by multiple goroutines.
+// The returned Source implements Source64.
 func NewSource(seed int64) Source {
+	return newSource64(seed)
+}
+
+func newSource64(seed int64) Source64 {
 	var rng rngSource
 	rng.Seed(seed)
 	return &rng