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ACP-acceptedAPI Change Proposal is accepted (seconded with no objections)API Change Proposal is accepted (seconded with no objections)T-libs-apiapi-change-proposalA proposal to add or alter unstable APIs in the standard librariesA proposal to add or alter unstable APIs in the standard libraries
Description
Proposal
Implement the standard set of core traits on C-unwind
ABI function pointers:
Problem statement
I would like to stabilize RFC rust-lang/rfcs#2945 which has tracking Issue rust-lang/rust#74990. Implementing common traits like fmt::Debug
on these function pointers is blocking stabilization of the c_unwind
feature.
Motivation, use-cases
The lack of common traits like fmt::Debug
on C-unwind
ABI function pointers prevents them from being used with common tools like bindgen.
Solution sketches
rust-lang/rust#101263 has been filed and signed off on by the compiler team.
Links and related work
- Add default trait implementations for "c-unwind" ABI function pointers rust#101263
- Add default trait implementations for "c-unwind" ABI function pointers rust#101263 (comment)
- Implement Debug, Pointer, etc on function pointers for all calling conventions rust#92964
- builtin trait to abstract over function pointers rust#99531 (comment)
What happens now?
This issue is part of the libs-api team API change proposal process. Once this issue is filed the libs-api team will review open proposals in its weekly meeting. You should receive feedback within a week or two.
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ACP-acceptedAPI Change Proposal is accepted (seconded with no objections)API Change Proposal is accepted (seconded with no objections)T-libs-apiapi-change-proposalA proposal to add or alter unstable APIs in the standard librariesA proposal to add or alter unstable APIs in the standard libraries