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feat(tvix/nix-compat-derive): Add deriver for NixDeserialize

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This adds a nix-compat-derive derive crate that implements a deriver
for NixDeserialize implementations. This is to reduce the amount of
code needed to implement deserialization for all the types used by
the Nix daemon protocol.

Change-Id: I484724b550e8a1d5e9adad9555d9dc1374ae95c2
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12022
Autosubmit: Brian Olsen <me@griff.name>
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
This commit is contained in:
Brian Olsen 2024-07-22 16:51:42 +02:00 • committed by clbot
parent 9af6920478
commit ced05a2bb6
48 changed files with 2376 additions and 3 deletions
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12
tvix/nix-compat-derive-tests/tests/ui/deserialize_missing_default.stderr Normal file
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@ -0,0 +1,12 @@
error[E0277]: the trait bound `Value: Default` is not satisfied
--> tests/ui/deserialize_missing_default.rs:6:10
|
6 | #[derive(NixDeserialize)]
| ^^^^^^^^^^^^^^ the trait `Default` is not implemented for `Value`
|
= note: this error originates in the derive macro `NixDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider annotating `Value` with `#[derive(Default)]`
|
4 + #[derive(Default)]
5 | pub struct Value(String);
|