Kefu Chai bd71e0b794 tracing: add formatter for tracing::span_id ...

before this change, we rely on the default-generated fmt::formatter
created from operator<<, but fmt v10 dropped the default-generated
formatter.

in this change, we define formatters for `tracing::span_id`, and drop
its operator<<.

Refs #13245

Signed-off-by: Kefu Chai <kefu.chai@scylladb.com>

Closes scylladb/scylladb#17058

2024-01-31 13:43:46 +02:00

21 KiB

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