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docs(web/tvl): small updates & fixes to September '22 Tvix status

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Change-Id: I2cf57abb0f8c21c3893e68ce2c6fb92a2c0d3ee6
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6559
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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Vincent Ambo 2022-09-13 15:00:24 +03:00 • committed by clbot
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13
web/tvl/blog/tvix-status-202209.md
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@ -16,7 +16,7 @@ We developed the evaluator to the current state by enumerating the
various problems we were likely to encounter, and writing small-scale
solutions to them before assembling them into a whole. Due to the
nature of this process, we briefly ended up with a very large private
source tree, which we [integrated]() into our monorepo in the last
source tree, which we [integrated][] into our monorepo in the last
couple of weeks.
This process was slow mostly due to code review bandwidth, but
@ -44,8 +44,8 @@ and it is simply a question of time until we've done it. Progress is
steady and can of course be tracked [in the source][src] (viewer
without Javascript [here][src-noscript]).
At the same time, we've already implemented a variety of basics that
are hopefully going to have a huge impact further down, such as:
At the same time, we've already implemented some basics that are
hopefully going to have a huge impact further down, such as:
* The Tvix compiler is built to be able to emit warnings & errors
without failing early, as well as retaining as much source
@ -61,6 +61,11 @@ are hopefully going to have a huge impact further down, such as:
(yet!)) cases, allowing us to evaluate many recursive expressions in
constant stack space.
* The runtime supports having different backing representations for
the same Nix type. For example, an attribute set may be represented
differently based on whether it is empty, a `name/value` pair or a
larger set.
### How does this all work?
Tvix's evaluator is implemented using a custom abstract machine with a
@ -146,5 +151,5 @@ around!
[grfn]: https://gws.fyi/
[sterni]: https://github.com/sternenseemann
[go-nix]: https://github.com/nix-community/go-nix
[flokli]: https://github.com/flokli
[flokli]: https://flokli.de/
[adisbladis]: https://github.com/adisbladis