Commits on Apr 2, 2024

1. attributes: make #[instrument] support string literal fields …

   The 'tracing::span!' macro supports passing in field names as string
   literals, which can be used to use an invalid Rust identifier as
   a field name (e.g. "type"). However, the 'instrument!' macro required
   that arguments to 'fields' be period-separated Rust identifiers.
   
   This commit extends the `#[instrument]` macro to support both
   period-separated identifiers and single string-literal fields.
   We preserve the original argument and pass it to the `tracing::span!`
   macro to preserve span/hygiene information.

   

   svix-aaron1011 committed Apr 2, 2024
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