golang.tokyo#5でのLT資料です。
In my previous post I suggested that the best way to break the compile time coupling between the logger and the loggee was passing in a logger interface when constructing each major type in your program. The suggestion has been floated several times that logging is context specific, so maybe a logger can be passed around via a context.Context. I think this suggestion is flawed (as are most uses of
One of the shiny new toys in Go 1.7 is the ‘context’ library. Not shiny as in it is genuinely new. It started out at golang.org/x/net/context, which is where you’ll need to import it from if you’re on 1.6 or before - but don’t worry, the old import path is completely forwards compatible. This library has been considered significant enough to make it into the standard library, and for good reason.
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