Re: [PATCH v2 00/20] rust: pin-init: create self references safely

[Gary Guo]

On Thu Oct 8, 2026 at 8:24 PM BST, Gary Guo wrote:
> Gary Guo (20):
>       kbuild: rust: allow `clippy::comparison_chain` globally
>       rust: pin-init: internal: pin_data: infer self-referential struct
>       rust: pin-init: internal: pin_data: rewrite fields that borrow others
>       rust: pin-init: internal: pin_data: pin borrowed fields with wrapper
>       rust: pin-init: internal: pin_data: teach drop check about generics that cannot dangle
>       rust: pin-init: internal: pin_data: self-referential drop order checks
>       rust: pin-init: internal: pin_data: check covariance of self-referential fields
>       rust: pin-init: internal: pin_data: implement initialization of borrowed structs
>       rust: pin-init: internal: pin_data: project self-referential fields
>       rust: pin-init: internal: pin_data: add `with_project` method
>       rust: pin-init: internal: pin_data: enable self-referential support
>       rust: pin-init: internal: pin_data: allow lifetime to be shortened per field drop order
>       rust: pin-init: internal: pin_data: parse explicit `#[borrowed]` annotation
>       rust: pin-init: internal: pin_data: support mutable borrows
>       rust: pin-init: internal: pin_data: parse explicit `#[uses]` annotation
>       rust: pin-init: internal: pin_data: make field lifetime invariance imply type invariance
>       rust: pin-init: internal: pin_data: complete invariant borrow support
>       rust: pin-init: internal: pin_data: perform AST lifetime replacement if possible
>       rust: pin-init: internal: pin_data: support shared projection
>       rust: pin-init: internal: pin_data: support existential lifetimes

Applied to pin-init-next. Thanks all!

Best,
Gary

>
>  Makefile                               |    2 +
>  rust/pin-init/examples/selfref.rs      |   60 ++
>  rust/pin-init/internal/src/init.rs     |   42 +-
>  rust/pin-init/internal/src/pin_data.rs | 1563 +++++++++++++++++++++++++++++++-
>  rust/pin-init/internal/src/util.rs     |  269 +++++-
>  rust/pin-init/src/__internal.rs        |  357 +++++++-
>  rust/pin-init/src/lib.rs               |    1 +
>  7 files changed, 2246 insertions(+), 48 deletions(-)