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math/rand: error in deprecation notice for Seed. #58890

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pschultz opened this issue Mar 6, 2023 · 1 comment
Closed

math/rand: error in deprecation notice for Seed. #58890

pschultz opened this issue Mar 6, 2023 · 1 comment
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@pschultz
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pschultz commented Mar 6, 2023

What version of Go are you using (go version)?

$ go version
go version go1.20.1 linux/amd64

Does this issue reproduce with the latest release?

Yes

What operating system and processor architecture are you using (go env)?

go env Output
$ go env
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/pschultz/.cache/go-build"
GOENV="/home/pschultz/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/home/pschultz/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/pschultz/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.20.1"
GCCGO="gccgo"
GOAMD64="v1"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/dev/null"
GOWORK=""
CGO_CFLAGS="-O2 -g"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-O2 -g"
CGO_FFLAGS="-O2 -g"
CGO_LDFLAGS="-O2 -g"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build1066880260=/tmp/go-build -gno-record-gcc-switches"

What did you do?

$ go doc math/rand Seed | tail

The last paragraph reads

Programs that need a specific result sequence should use NewRand(NewSource(seed)) to obtain a random generator that other packages cannot access.

The constructor for rand.Rand is called New, not NewRand, so it should say "should use New(NewSource(seed))".
@mateusz834
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It is already updated on master, see https://pkg.go.dev/math/rand@master#Seed

@pschultz pschultz closed this as completed Mar 6, 2023
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@pschultz @gopherbot @mateusz834