Commit 82bc0d4e authored by David Glasser's avatar David Glasser Committed by Brad Fitzpatrick

math/rand: document that NewSource sources race

While it was previously explicitly documented that "the default Source"
is safe for concurrent use, a careless reader can interpret that as
meaning "the implementation of the Source interface created by functions
in this package" rather than "the default shared Source used by
top-level functions". Be explicit that the Source returned by NewSource
is not safe for use by multiple goroutines.

Fixes #3611.

Change-Id: Iae4bc04c3887ad6e2491e36e38feda40324022c5
Reviewed-on: https://go-review.googlesource.com/25501Reviewed-by: default avatarBrad Fitzpatrick <bradfitz@golang.org>
parent 98def53f
......@@ -24,6 +24,8 @@ type Source 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.
func NewSource(seed int64) Source {
var rng rngSource
rng.Seed(seed)
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment