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Add support and documentation for passing byte-slices directly to Rust-generated bindings.#1322

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Add support and documentation for passing byte-slices directly to Rust-generated bindings.#1322
copybara-service[bot] wants to merge 1 commit into
mainfrom
test_941830853

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Add support and documentation for passing byte-slices directly to Rust-generated bindings.

Previously, calling a Rust function accepting a byte slice by passing in C++ strings will fail to compile. Callers must write cumbersome casts wrapping string views in explicit std::span types.

This change supports calling fn bar(_: &[u8]) from C++ by interpreting it as a SliceRef, which now accepts any read-only 1-byte type.

…t-generated bindings.

Previously, calling a Rust function accepting a byte slice by passing in C++ strings will fail to compile. Callers must write cumbersome casts wrapping string views in explicit `std::span` types.

This change supports calling `fn bar(_: &[u8])` from C++ by interpreting it as a SliceRef, which now accepts any read-only 1-byte type.

PiperOrigin-RevId: 941830853
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google-cla Bot commented Jul 6, 2026

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View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

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