diff options
| -rw-r--r-- | rust/pin-init/examples/big_struct_in_place.rs | 2 | ||||
| -rw-r--r-- | rust/pin-init/internal/src/init.rs | 6 | ||||
| -rw-r--r-- | rust/pin-init/src/lib.rs | 18 |
3 files changed, 20 insertions, 6 deletions
diff --git a/rust/pin-init/examples/big_struct_in_place.rs b/rust/pin-init/examples/big_struct_in_place.rs index c05139927486..de8612a5e27d 100644 --- a/rust/pin-init/examples/big_struct_in_place.rs +++ b/rust/pin-init/examples/big_struct_in_place.rs @@ -1,5 +1,7 @@ // SPDX-License-Identifier: Apache-2.0 OR MIT +#![cfg_attr(USE_RUSTC_FEATURES, feature(lint_reasons))] + use pin_init::*; // Struct with size over 1GiB diff --git a/rust/pin-init/internal/src/init.rs b/rust/pin-init/internal/src/init.rs index 2fe918f4d82a..c1c9400b090a 100644 --- a/rust/pin-init/internal/src/init.rs +++ b/rust/pin-init/internal/src/init.rs @@ -173,6 +173,12 @@ pub(crate) fn expand( }; // SAFETY: TODO let init = unsafe { ::pin_init::#init_from_closure::<_, #error>(init) }; + // FIXME: this let binding is required to avoid a compiler error (cycle when computing the + // opaque type returned by this function) before Rust 1.81. Remove after MSRV bump. + #[allow( + clippy::let_and_return, + reason = "some clippy versions warn about the let binding" + )] init }}) } diff --git a/rust/pin-init/src/lib.rs b/rust/pin-init/src/lib.rs index b1de166b5626..a513930ee01a 100644 --- a/rust/pin-init/src/lib.rs +++ b/rust/pin-init/src/lib.rs @@ -1144,9 +1144,12 @@ pub const unsafe fn cast_pin_init<T, U, E>(init: impl PinInit<T, E>) -> impl Pin // SAFETY: initialization delegated to a valid initializer. Cast is valid by function safety // requirements. let res = unsafe { pin_init_from_closure(|ptr: *mut U| init.__pinned_init(ptr.cast::<T>())) }; - // FIXME: remove the let statement once the nightly-MSRV allows it (1.78 otherwise encounters a - // cycle when computing the type returned by this function) - #[allow(clippy::let_and_return)] + // FIXME: this let binding is required to avoid a compiler error (cycle when computing the opaque + // type returned by this function) before Rust 1.81. Remove after MSRV bump. + #[allow( + clippy::let_and_return, + reason = "some clippy versions warn about the let binding" + )] res } @@ -1160,9 +1163,12 @@ pub const unsafe fn cast_init<T, U, E>(init: impl Init<T, E>) -> impl Init<U, E> // SAFETY: initialization delegated to a valid initializer. Cast is valid by function safety // requirements. let res = unsafe { init_from_closure(|ptr: *mut U| init.__init(ptr.cast::<T>())) }; - // FIXME: remove the let statement once the nightly-MSRV allows it (1.78 otherwise encounters a - // cycle when computing the type returned by this function) - #[allow(clippy::let_and_return)] + // FIXME: this let binding is required to avoid a compiler error (cycle when computing the opaque + // type returned by this function) before Rust 1.81. Remove after MSRV bump. + #[allow( + clippy::let_and_return, + reason = "some clippy versions warn about the let binding" + )] res } |