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net/http: use of Write method on Request/Response/Header is confusing #19104

mvdan opened this issue Feb 15, 2017 · 2 comments


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commented Feb 15, 2017

I think the choice of Write as the method name for writing to an io.Writer in wire format is poor. Write is a well known method name coming from the io.Writer interface, so it can be confused with it.

But worse than that, while Write([]byte) error modifies the receiver, Write(io.Writer) error modifies the argument.

I understand that the signatures are different, but if I'm quickly reading code I want to be able to understand what's going on without keeping track of types and signtures. Right now, if I see this line, it's very hard to know which of the two it is without reading more code and some light investigation:


I think a better name would be WriteTo or WriteToWire. Suggestions welcome.

This can't be done in Go 1.x, so marking as Go2.

@mvdan mvdan added the Go2 label Feb 15, 2017

@bradfitz bradfitz closed this Feb 15, 2017


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commented Feb 15, 2017

@bradfitz reason behind closing?


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commented Feb 15, 2017

Because it's Go2. We know where to find Go2 stuff later. We won't be searching for "is:open label:Go2" later.

I also don't want to encourage people to file Go2 bugs about everything they don't like. Hidden away is fine.

@golang golang locked and limited conversation to collaborators Feb 15, 2018

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