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Vincent Ambo b8cec6d61e feat(tvix/vm): add opcodes for new Value::NotFound sentinel 
This sentinel value is going to be used for certain nested accesses
into attribute sets.

There is a new instruction similar to `OpAttrsSelect` which leaves the
sentinel on the stack if a key is not found, instead of raising an
error.

Additionally, a new jump instruction makes its jump operation
conditional on finding such a sentinel value.

Change-Id: I2642f0a0bcc85bbe0ead68ea09a7dd794dbedeac
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6166
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
2022-08-26 15:06:52 +00:00
..
.vscode feat(tvix): set up cargo rust project 2022-01-06 15:38:52 +00:00
docs style: format entire depot with nixpkgs-fmt 2022-01-31 16:11:53 +00:00
eval feat(tvix/vm): add opcodes for new Value::NotFound sentinel 2022-08-26 15:06:52 +00:00
nix_cli chore(tvix): move nix-store CLI scaffolding to subfolder 2022-08-12 15:58:59 +00:00
proto style: format entire depot with nixpkgs-fmt 2022-01-31 16:11:53 +00:00
.envrc feat(tvix): set up cargo rust project 2022-01-06 15:38:52 +00:00
.gitignore feat(tvix): set up cargo rust project 2022-01-06 15:38:52 +00:00
LICENSE chore(tvix): Bootstrap Tvix folder 2021-03-27 00:09:49 +00:00
OWNERS chore(tvix): Bootstrap Tvix folder 2021-03-27 00:09:49 +00:00
README.md chore(tvix): Bootstrap Tvix folder 2021-03-27 00:09:49 +00:00

README.md

Tvix

For more information about Tvix, contact one of the project owners. We are interested in people who would like to help us review designs, brainstorm and describe requirements that we may not yet have considered.

License structure

All code implemented for Tvix is licensed under the GPL-3.0, with the exception of the protocol buffer definitions used for communication between services which are available under a more permissive license (MIT).

The idea behind this structure is that any direct usage of our code (e.g. linking to it, embedding the evaluator, etc.) will fall under the terms of the GPL3, but users are free to implement their own components speaking these protocols under the terms of the MIT license.