syntax question for object initialization

Question

I have the following working code

    serverFile, _ := os.OpenFile("server.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
    debugFile, _ := os.OpenFile("debug.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)

    Logger = &BufferedLogger{
        ServerWriter:    serverFile,
        DebugWriter:     debugFile,
        BufferSize:      100,
    }

which I like to simplify, if possible. I tried

    Logger = &BufferedLogger{
        ServerWriter, _:    os.OpenFile("server.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644),
        DebugWriter, _:     os.OpenFile("debug.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644),
        BufferSize:      100,
    }

That is wrong syntax. Can someone give me a hint to fix it, or is that impossible?

score 3 · Accepted Answer · answered Feb 20 '21 at 21:11

No, you can't do it all in one statement. And there's a reason for that: you should be handling the error, not ignoring it. Any function that might cause an error will have a multi-valued return, so that you can't use it as an argument to another function, or in an initializer — only in a multi-valued assignment, where you can capture and check the error.

syntax question for object initialization

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