Stop pretending that ContainerInit has any other use case besides Uns…

…afeCell

rs-matter/src/utils/blmutex.rs

@@ -25,7 +25,7 @@ use core::cell::UnsafeCell;
 
 use embassy_sync::blocking_mutex::raw::{self, RawMutex};
 
-use crate::utils::init::{init, ContainerInit, Init};
+use crate::utils::init::{init, Init, UnsafeCellInit};
 
 /// Blocking mutex (not async)
 ///

rs-matter/src/utils/buf.rs

@@ -23,7 +23,7 @@ use embassy_futures::select::{select, Either};
 use embassy_sync::blocking_mutex::raw::RawMutex;
 use embassy_time::{Duration, Timer};
 
-use super::init::{init, ContainerInit, Init};
+use super::init::{init, Init, UnsafeCellInit};
 use super::signal::Signal;
 
 /// A trait for getting access to a `&mut T` buffer, potentially awaiting until a buffer becomes available.

rs-matter/src/utils/ifmutex.rs

@@ -24,7 +24,7 @@ use core::ops::{Deref, DerefMut};
 
 use embassy_sync::blocking_mutex::raw::RawMutex;
 
-use super::init::{init, ContainerInit, Init};
+use super::init::{init, Init, UnsafeCellInit};
 use super::signal::Signal;
 
 /// Error returned by [`Mutex::try_lock`]

rs-matter/src/utils/init.rs

@@ -4,16 +4,14 @@ use core::{cell::UnsafeCell, mem::MaybeUninit};
 /// Re-export `pinned-init` because its API is very unstable currently (0.0.x)
 pub use pinned_init::*;
 
-/// A trait for retrofitting types wrapping a value with an initializer.
-///
-/// Types that can be retrofitted this way should be `repr(transparent)`.
-pub trait ContainerInit<T> {
-    /// Create a new in-place initializer for the container
+/// An extension trait for retrofitting `UnsafeCell` with an initializer.
+pub trait UnsafeCellInit<T> {
+    /// Create a new in-place initializer for `UnsafeCell`
     /// by using the given initializer for the value.
     fn init<I: Init<T>>(value: I) -> impl Init<Self>;
 }
 
-impl<T> ContainerInit<T> for UnsafeCell<T> {
+impl<T> UnsafeCellInit<T> for UnsafeCell<T> {
     fn init<I: Init<T>>(value: I) -> impl Init<Self> {
         unsafe {
             init_from_closure::<_, Infallible>(move |slot: *mut Self| {

rs-matter/src/utils/refcell.rs

@@ -32,7 +32,7 @@ use core::mem;
 use core::ops::{Deref, DerefMut};
 use core::ptr::NonNull;
 
-use super::init::{init, ContainerInit, Init};
+use super::init::{init, Init, UnsafeCellInit};
 
 /// A mutable memory location with dynamically checked borrow rules
 ///