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encoding/json: MarshalIndent does not prefix first line #49261

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cloneable opened this issue Nov 1, 2021 · 1 comment
Closed

encoding/json: MarshalIndent does not prefix first line #49261

cloneable opened this issue Nov 1, 2021 · 1 comment
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@cloneable
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What version of Go are you using (go version)?

$ go version
go version go1.17.2 darwin/amd64

Does this issue reproduce with the latest release?

Yes, also gotip.

What did you do?

https://play.golang.org/p/jSVnZBwYiwr

x := map[string]interface{}{
	"field": "value",
}
data, err := json.MarshalIndent(x, "*** ", "  ")
if err != nil {
	log.Fatal(err)
}
fmt.Println(string(data))

What did you expect to see?

*** {
***   "field": "value"
*** }

What did you see instead?

{
***   "field": "value"
*** }
@cloneable
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Never mind. Looking at encoding_test.go it seems this is intentional to support indentation in source code. The description for MarshalIdent could be made clearer.

@golang golang locked and limited conversation to collaborators Nov 1, 2022
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@gopherbot @cloneable