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encoding/json: Error when use with append #57163

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mcat1997 opened this issue Dec 8, 2022 · 1 comment
Closed

encoding/json: Error when use with append #57163

mcat1997 opened this issue Dec 8, 2022 · 1 comment
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@mcat1997
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mcat1997 commented Dec 8, 2022 •
edited

both happend in go1.14 and go1.19

func main() {

var onlyPlatformIDS []int
jsonStr := "[16,803]"
_ = json.Unmarshal([]byte(jsonStr), &onlyPlatformIDS)

platformIDS := append(onlyPlatformIDS, 3)
platformIDS[1] = 804

fmt.Println(onlyPlatformIDS)
fmt.Println(platformIDS)

}

Code like this. It print

[16 804]
[16 804 3]

func main() {

var onlyPlatformIDS []int
//jsonStr := "[16,803]"
//_ = json.Unmarshal([]byte(jsonStr), &onlyPlatformIDS)
onlyPlatformIDS = []int{16, 803}

platformIDS := append(onlyPlatformIDS, 3)
platformIDS[1] = 804

fmt.Println(onlyPlatformIDS)
fmt.Println(platformIDS)

}

Code like this. It print

[16 803]
[16 804 3]

Why?
@seankhliao
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Unlike many projects, the Go project does not use GitHub Issues for general discussion or asking questions. GitHub Issues are used for tracking bugs and proposals only.

For questions please refer to https://github.com/golang/go/wiki/Questions

@seankhliao seankhliao closed this as not planned Won't fix, can't repro, duplicate, stale Dec 8, 2022
@golang golang locked and limited conversation to collaborators Dec 8, 2023
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@gopherbot @seankhliao @mcat1997