Without breakloop not much of a REPL

[SideStep]

According to this post: 
https://mikelevins.github.io/posts/2020-12-18-repl-driven/

Breakloop is a true differentiator for "real" REPLs. I can see how 
breakloop really is a game changer.

Also, there is no breakloop in modern languages such as clojure, which is 
heralded for it's REPL driven development, craftsmans' playground, live 
coding etc...

Is breakloop gone from modern REPL languages? Maybe it's not a big deal? Or 
is it?

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Re: Without breakloop not much of a REPL

[Brandon R]

I believe what's described in that post is possible in Clojure, at least to
an extent. I can't remember where I saw it described, but I think it was a
talk by Stuart Halloway. IIRC you can configure Clojure to run
clojure.main/repl when an exception is thrown, this puts you into a new sub
repl with the lexical bindings at that point in execution. You can inspect
things here and I believe change things. I'm not sure about continuing
running with new values, but I'm guessing that's possible too.

Maybe someone in this group can point to a good resource about this, as I
didn't find it in a quick search.

On Fri, Jan 29, 2021 at 6:09 AM SideStep  wrote:

> According to this post:
> https://mikelevins.github.io/posts/2020-12-18-repl-driven/
>
> Breakloop is a true differentiator for "real" REPLs. I can see how
> breakloop really is a game changer.
>
> Also, there is no breakloop in modern languages such as clojure, which is
> heralded for it's REPL driven development, craftsmans' playground, live
> coding etc...
>
> Is breakloop gone from modern REPL languages? Maybe it's not a big deal?
> Or is it?
>
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> 
> .
>

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Re: Without breakloop not much of a REPL

[Brandon R]

This may be the talk I was thinking of: https://vimeo.com/223309989

On Fri, Jan 29, 2021 at 10:04 AM Brandon R  wrote:

> I believe what's described in that post is possible in Clojure, at least
> to an extent. I can't remember where I saw it described, but I think it was
> a talk by Stuart Halloway. IIRC you can configure Clojure to run
> clojure.main/repl when an exception is thrown, this puts you into a new sub
> repl with the lexical bindings at that point in execution. You can inspect
> things here and I believe change things. I'm not sure about continuing
> running with new values, but I'm guessing that's possible too.
>
> Maybe someone in this group can point to a good resource about this, as I
> didn't find it in a quick search.
>
> On Fri, Jan 29, 2021 at 6:09 AM SideStep  wrote:
>
>> According to this post:
>> https://mikelevins.github.io/posts/2020-12-18-repl-driven/
>>
>> Breakloop is a true differentiator for "real" REPLs. I can see how
>> breakloop really is a game changer.
>>
>> Also, there is no breakloop in modern languages such as clojure, which is
>> heralded for it's REPL driven development, craftsmans' playground, live
>> coding etc...
>>
>> Is breakloop gone from modern REPL languages? Maybe it's not a big deal?
>> Or is it?
>>
>> --
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>> Groups "Clojure" group.
>> To post to this group, send email to clojure@googlegroups.com
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>> your first post.
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>> clojure+unsubscr...@googlegroups.com
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>> 
>> .
>>
>

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