diff options
Diffstat (limited to 'vendor/once_cell/src/lib.rs')
| -rw-r--r-- | vendor/once_cell/src/lib.rs | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/vendor/once_cell/src/lib.rs b/vendor/once_cell/src/lib.rs index 41313f736..83149ac4f 100644 --- a/vendor/once_cell/src/lib.rs +++ b/vendor/once_cell/src/lib.rs @@ -208,7 +208,6 @@ //! ``` //! use once_cell::sync::OnceCell; //! -//! #[derive(Debug)] //! pub struct LateInit<T> { cell: OnceCell<T> } //! //! impl<T> LateInit<T> { @@ -228,22 +227,24 @@ //! } //! } //! -//! #[derive(Default, Debug)] +//! #[derive(Default)] //! struct A<'a> { //! b: LateInit<&'a B<'a>>, //! } //! -//! #[derive(Default, Debug)] +//! #[derive(Default)] //! struct B<'a> { //! a: LateInit<&'a A<'a>> //! } //! +//! //! fn build_cycle() { //! let a = A::default(); //! let b = B::default(); //! a.b.init(&b); //! b.a.init(&a); -//! println!("{:?}", a.b.a.b.a); +//! +//! let _a = &a.b.a.b.a; //! } //! ``` //! @@ -315,6 +316,10 @@ //! //! No, but you can use [`async_once_cell`](https://crates.io/crates/async_once_cell) instead. //! +//! **Can I bring my own mutex?** +//! +//! There is [generic_once_cell](https://crates.io/crates/generic_once_cell) to allow just that. +//! //! # Related crates //! //! * [double-checked-cell](https://github.com/niklasf/double-checked-cell) @@ -323,6 +328,7 @@ //! * [mitochondria](https://crates.io/crates/mitochondria) //! * [lazy_static](https://crates.io/crates/lazy_static) //! * [async_once_cell](https://crates.io/crates/async_once_cell) +//! * [generic_once_cell](https://crates.io/crates/generic_once_cell) (bring your own mutex) //! //! Most of this crate's functionality is available in `std` in nightly Rust. //! See the [tracking issue](https://github.com/rust-lang/rust/issues/74465). |