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strconv.ParseUint(...) should be able to handle inputs when prefixes when bit count is specified #41009

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Bekreth opened this issue Aug 24, 2020 · 1 comment
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strconv.ParseUint(...) should be able to handle inputs when prefixes when bit count is specified #41009

Bekreth opened this issue Aug 24, 2020 · 1 comment
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@Bekreth
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Bekreth commented Aug 24, 2020

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

$ go version
go version go1.13.5 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"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH=
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD=
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build329601485=/tmp/go-build -gno-record-gcc-switches"

What did you do?

package main

import (
	"fmt"
	"strconv"
)

func main() {
	num, err := strconv.ParseUint("0x15", 16, 16)
	fmt.Println("using 16:", num, err)
	num, err = strconv.ParseUint("0x15", 0, 16)
	fmt.Println("using 0:", num, err)
}

What did you expect to see?

using 16: 21
using 0: 21

What did you see instead?

using 16: 0 strconv.ParseUint: parsing "0x15": invalid syntax
using 0: 21

@ianlancetaylor
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Thanks, but the function is working as documented and intended.

@golang golang locked and limited conversation to collaborators Aug 24, 2021
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@ianlancetaylor @gopherbot @Bekreth