chore: update allocator-api2 to 0.3.1

Author: bavshin-f5

Cargo.lock

@@ -37,7 +37,7 @@ default-target = "x86_64-unknown-linux-gnu"
 targets = []
 
 [dependencies]
-allocator-api2 = { version = "0.2.21", default-features = false }
+allocator-api2 = { version = "0.3.1", default-features = false }
 async-task = { version = "4.7.1", optional = true }
 lock_api = "0.4.13"
 nginx-sys = { path = "nginx-sys", version = "0.5.0-beta"}

Cargo.toml

@@ -14,7 +14,7 @@ use ::core::ptr::{self, NonNull};
 pub use allocator_api2::alloc::{AllocError, Allocator};
 
 #[cfg(feature = "alloc")]
-pub use allocator_api2::{alloc::Global, boxed::Box};
+pub use allocator_api2::{alloc::Global, boxed::Box, unsize_box};
 
 /// Explicitly duplicate an object using the specified Allocator.
 pub trait TryCloneIn: Sized {
@@ -81,24 +81,3 @@ mod impls {
         }
     }
 }
-
-/// Allows turning a [`Box<T: Sized, A>`][Box] into a [`Box<U: ?Sized, A>`][Box] where `T` can be
-/// unsizing-coerced into a `U`.
-///
-/// See [allocator_api2::unsize_box] for an explanation why this macro is necessary.
-#[cfg(feature = "alloc")]
-#[doc(inline)]
-pub use crate::__unsize_box as unsize_box;
-
-// We have to reimplement this macro because the original implementation is not reexportable.
-// Macro definitions float to the top of the crate, thus we also mark it as hidden and reexport
-// again from the right namespace.
-#[cfg(feature = "alloc")]
-#[doc(hidden)]
-#[macro_export]
-macro_rules! __unsize_box {
-    ( $boxed:expr $(,)? ) => {{
-        let (ptr, alloc) = $crate::allocator::Box::into_raw_with_allocator($boxed);
-        unsafe { $crate::allocator::Box::from_raw_in(ptr as *mut _, alloc) }
-    }};
-}