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@buffalojoec buffalojoec commented Sep 26, 2025

The Rust renderer supports a configuration object for determining what traits you'd like to be generated in the #[derive(..)] attribute of each type. In this config, devs can specify what traits they want to be always implemented (ie. baseDefaults) or implemented behind a feature flag.

However, there are two issues with the current implementation:

  • Serde can be included as a baseDefault, meaning it's not behind a feature flag, but the field attribute is still generated as #[cfg_attr(feature = "serde")].
  • If serde is omitted from the traitOptions, the field attributes are still generated.

This PR adds a getSerdeFieldAttribute that solves both issues. It evaluates all traits, including those behind a feature flag, and determines how to write the field attribute, if at all.

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changeset-bot bot commented Sep 26, 2025

🦋 Changeset detected

Latest commit: b26e054

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
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@codama/renderers-rust Patch

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@buffalojoec buffalojoec force-pushed the optional-serde-callsites-rebaser branch from 0778d8d to b26e054 Compare September 26, 2025 14:06
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@lorisleiva lorisleiva left a comment

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Nice, thank you!

@lorisleiva lorisleiva merged commit 33a297d into codama-idl:main Sep 26, 2025
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2 participants