qiulaidongfeng e0a8616941 math/rand/v2: add method Rand.N
Derived from CL 775100 by qiu laidongfeng <2645477756@qq.com>

Fixes #77853

Change-Id: Iefcdbd1a7dbf82e732dad9bbf94722878c82c1a6
Reviewed-on: https://go-review.googlesource.com/c/go/+/780582
Reviewed-by: qiu laidongfeng <2645477756@qq.com>
Reviewed-by: Mark Freeman <markfreeman@google.com>
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Austin Clements <austin@google.com>
2026-05-21 10:44:53 -07:00
..
2026-05-21 10:44:53 -07:00