Define generic AbiExample for OnceLock #33520
Merged
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Problem
i found generic
AbiExample
can be implemented while working on #33501.seems #33140 (comment) removed generic impl for
OnceCell
, and replaced it with manual concrete AbiExample impls.Summary of Changes
Define generic AbiExample for OnceLock for ease of use of frozen abi.
cc: @apfitzge