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math/rand: deprecate Read

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For #20661.

Change-Id: I1e638cb619e643eadc210d71f92bd1af7bafc912
Reviewed-on: https://go-review.googlesource.com/c/go/+/436955
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: hopehook <hopehook@golangcn.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
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hopehook 2022-09-30 09:17:11 +08:00 committed by Gopher Robot
parent 612bb34af5
commit 599a1e40c6
1 changed files with 2 additions and 0 deletions
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src/math/rand/rand.go
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@ -377,6 +377,8 @@ func Shuffle(n int, swap func(i, j int)) { globalRand.Shuffle(n, swap) }
// Read generates len(p) random bytes from the default Source and
// writes them into p. It always returns len(p) and a nil error.
// Read, unlike the Rand.Read method, is safe for concurrent use.
//
// Deprecated: For almost all use cases, crypto/rand.Read is more appropriate.
func Read(p []byte) (n int, err error) { return globalRand.Read(p) }
// NormFloat64 returns a normally distributed float64 in the range