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Ran 08 Dec 2025 11:23AM UTC

Files 203

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Committed 08 Dec 2025 11:21AM UTC coverage: 58.742% (+0.04%) from 58.703%

Job # 20026392864.1

Build Type

push

github

Committed by

fasterthanlime

Commit Message

fix: add proxy support to facet-yaml deserializer

This adds support for both container-level and field-level proxy
attributes in facet-yaml, fixing issue #1177.

The fix adds two key checks to `deserialize_value`:

1. Container-level proxy: Uses `begin_custom_deserialization_from_shape()`
   to detect types with `#[facet(proxy = ProxyType)]` and deserialize
   through the proxy shape instead.

2. Field-level proxy: When handling transparent types, checks if the
   parent field has a custom deserialization function via
   `proxy_convert_in_fn()` and wraps the deserialization with
   `begin_custom_deserialization()`.

This matches the approach used in facet-json and enables the common
pattern of using a transparent proxy type (like `EnvStringDesr`) to
wrap deserialization for custom processing.

Fixes #1177

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