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feat(spanner): implement ToValue for str#6087

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fornwall wants to merge 3 commits into
googleapis:mainfrom
fornwall:tovalue-for-str
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feat(spanner): implement ToValue for str#6087
fornwall wants to merge 3 commits into
googleapis:mainfrom
fornwall:tovalue-for-str

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@fornwall fornwall commented Jul 17, 2026

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ToValue was implemented for &str but not for the unsized str, meaning that callers had to pass an extra reference (&"hello").

Fixes #6084.

ToValue was implemented for &str but not for the unsized str.

Callers had to pass an extra reference (&"hello") or allocate a String.

Signed-off-by: Fredrik Fornwall <fredrik@fornwall.net>
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fornwall requested review from a team as code owners July 17, 2026 12:46
@product-auto-label product-auto-label Bot added the api: spanner Issues related to the Spanner API. label Jul 17, 2026

@gemini-code-assist gemini-code-assist Bot left a comment

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Code Review

This pull request refactors the ToValue trait implementation for string types in the Spanner crate by implementing ToValue directly on str and delegating String and &str to it, alongside adding a new unit test. Feedback suggests using fully qualified path syntax (<str as ToValue>::to_value) in both implementations to avoid intermediate delegation steps, improve readability, and prevent potential infinite recursion from auto-ref coercion.

Comment thread src/spanner/src/to_value.rs Outdated
Comment thread src/spanner/src/to_value.rs Outdated
fornwall and others added 2 commits July 17, 2026 14:50
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
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spanner: impl ToValue for str

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