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fmt: String format %+d treats zero as a positive number #13326

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mcmil opened this issue Nov 19, 2015 · 1 comment
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fmt: String format %+d treats zero as a positive number #13326

mcmil opened this issue Nov 19, 2015 · 1 comment

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@mcmil
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@mcmil mcmil commented Nov 19, 2015

Formatting zero using the + flag in fmt.Printf("%+d",0) results in +0 output. It seems that it is a bug, since zero is neither positive nor negative. I would expect a simple 0 as an answer.

Sample: http://play.golang.org/p/XhcQmGYXMC

@robpike
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@robpike robpike commented Nov 19, 2015

Working as intended. As the documentation says:

+   always print a sign for numeric values

You can argue whether 0 is positive, but you can't argue that it's not numeric.

@robpike robpike closed this Nov 19, 2015
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