Comments (2)
Thanks for the suggestion! At first glance, this seems reasonable to me.
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Another approach is providing a trait for pin projection and implementing it for tuples. This allows the removal of tuple-struct workaround. However, unfortunately, this approach cannot support arbitrarily sized tuples, though.
As mentioned in 1.0.0 tracking issue, this approach needs recently stabilized GAT. Something like the following:
trait PinProject {
type Projection<'a>;
fn project<'a>(self: Pin<&'a mut Self>) -> Self::Projection<'a>;
}
On the other hand, this probably has the advantage of being able to support slices and arrays. (Self::Projection will probably be the iterator instead of slice/array, though.)
(We can probably provide both.)
from pin-project.
Related Issues (20)
- pin_project cannot be used with structs that hold mutable references HOT 4
- "unused result" warning with 0.4.18 HOT 2
- ?Sized type parameters don't work
- Tracking issue for 1.0.0 release HOT 5
- Prepare for uplift of drop-bounds lint HOT 3
- Generated `#[deny(safe_packed_borrows)]` is not compatible with `#![forbid(future_incompatible)]` HOT 5
- #[pin_project] panics with `internal error: entered unreachable code` when used inside a MBE with vis HOT 2
- error: cannot find attribute `derive` in this scope HOT 3
- Rust-Analyzer compatibility HOT 7
- Cannot build with RUSTFLAGS="-Zsanitizer=address" HOT 2
- Leaked UB in enums HOT 10
- Ambiguous macro use does not compile HOT 3
- `parse_quote_spanned` macro name-collides with `syn::parse_quote_spanned` HOT 1
- #![feature(negative_impls)] breaks the guarantee for Unpin provided by pin-project HOT 1
- Can bypass #[repr(packed)] checking since rust 1.57 HOT 2
- Allow #[pin_project(!Unpin)] to `impl !Unpin` HOT 1
- provide project method on `&mut Pin<&mut Self>` HOT 2
- Why was 1.0.10 yanked from crates.io? HOT 6
- docs: Add FAQ section?
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from pin-project.