The Go compiler was single pass until we allowed use before declaration.

-rob


On Thu, Feb 28, 2019 at 10:46 AM <ivan.medoe...@gmail.com> wrote:

> Thanks, Ian.
>
> I remember reading in some compiler book that languages should be designed
> for a single pass to reduce compilation speed.
>
> Go proves that wrong :) It's amazingly fast, looks like computers are
> pretty good at traversing AST trees.
>
> On Wednesday, February 27, 2019 at 11:50:05 PM UTC+1, Ian Lance Taylor
> wrote:
>>
>> On Wed, Feb 27, 2019 at 2:42 PM <ivan.m...@gmail.com> wrote:
>> >
>> > In Go functions can be used before they are defined, but as I
>> understand, it's still possible to have a single pass compiler.
>>
>> I don't think it's possible to compile Go in a single pass compiler,
>> unless you consider a separate parsing and code generation step to be
>> a single pass compiler.  In the general case, you can't generate code
>> for any Go function until you've seen all the functions in the
>> package.
>>
>> There are multiple Go compilers.  All the ones I am aware of are have
>> many passes.
>>
>> Ian
>>
> --
> 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.
> For more options, visit https://groups.google.com/d/optout.
>

-- 
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.
For more options, visit https://groups.google.com/d/optout.

Reply via email to