Ah, thanks! > On Nov 18, 2017, at 9:00 AM, Sameer Ajmani <sam...@golang.org> wrote: > > Context.TODO and Background have different String values; see emptyCtx.String. > On Fri, Nov 17, 2017 at 9:25 PM me via golang-nuts > <golang-nuts@googlegroups.com <mailto:golang-nuts@googlegroups.com>> wrote: > I've found a hint. Apparently, both context.TODO and context.Background share > a common implementation but they need distinct addresses. > > See https://golang.org/src/context/context.go#L168 > <https://golang.org/src/context/context.go#L168> > > So they cannot be constants because then they would not have an address. They > cannot be variables because then you could modify them. Therefore the only > solution left is to make them a function that returns a variable. > > Then again, maybe you could make Background and TODO of an unexported type to > prevent setting them. I think that was not chosen because it leaks the > internals of the package. > > But I'm not sure why they need distinct addresses in the first place. I'm > guessing its for debugging or just what makes sense? context.TODO and > context.Background are two different contexts and should be treated as such. > > > On Friday, November 17, 2017 at 10:43:29 AM UTC-5, Alex Buchanan wrote: > I don't have numbers, but context must be one of the most commonly used > imports/types in my code. It shows up many function signatures. We try to use > it for all cancelation. > > Would it make sense to add an alias "C" to the type "Context"? And maybe "BG" > for Background()? > > Also, is there a specific reason Background is a function and not a value? > > Cheers, > Alex > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com > <mailto:golang-nuts+unsubscr...@googlegroups.com>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>.
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