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Interior References and Shared Mutability


Interior References and Shared Mutability - Programming Linguistics

Summary · mutex1, a single-threaded mutual exclusion permission. · Allow references to all non-shape-changing types to be mut (shared, mutable) ...

Interior mutability understanding : r/rust - Reddit

You use internal mutability, when you need to modify a shared thing. ... reference and & is a shared reference. ... references because you ...

RefCell and the Interior Mutability Pattern - Learn Rust

Shared-State Concurrency · 16.4. Extensible ... mutable reference or any number of immutable references. ... Mutating the value inside an immutable value is the ...

Interior mutability - The Rust Reference

A type has interior mutability if its internal state can be changed through a shared reference to it. This goes against the usual requirement that the value ...

Unsafely define struct to share mutable references between threads

If you want to provide a type with interior mutability then you must use UnsafeCell . This type is at a core of every interior mutability in ...

rust - Interior Mutability in owner while immutability among share

It's self-contradictory to say that C::a is immutable while B::a is not, since C can be used to observe the mutations.

Interior Mutability - Comprehensive Rust - Google

In some situations, it's necessary to modify data behind a shared (read-only) reference. For example, a shared data structure might have an internal cache, and ...

Achieving Safe, Aliasable Mutability with Unboxed Types - Ante

Shared Interior Mutability. Since Ante includes shared mutability as a builtin, certain types which can only yield immutable references in ...

Interior mutability - The Rust Reference - MIT

This goes against the usual requirement that the value pointed to by a shared reference is not mutated. std::cell::UnsafeCell type is the only allowed way in ...

C++ & Rust: (Interior) Mutability, Moving and Ownership

Shared ownership is mediated through smart pointers that do reference counting. These smart pointers own a heap-allocated resource and maintain ...

Interior mutability - 100 Exercises To Learn Rust

How are we performing mutations via an immutable reference? Shared rather than immutable references. When we introduced the borrow-checker, we named the two ...

Rust - Interior mutability - Cell - DEV Community

But we have UnsafeCell which helps to cope with the immutability constraint of &T, and provides a shared reference &UnsafeCell which points to ...

Interior mutability in Rust: what, why, how? - Ricardo Martins

mutable as shared vs. exclusive access to ... interior mutability in externally immutable ... reference-counting pointers, like Rc and Arc , need ...

Mutability - The Rust Programming Language - MIT

y is an immutable binding to a mutable reference ... interior mutability. For example: #![allow ... RefCell hands out &mut references to what's inside of it with ...

Interior mutability patterns - Paul Dicker

Rusts type system requires that there only ever is one mutable reference to a value or one or more shared references.

Reasoning about Interior Mutability in Rust using Library-Defined ...

To overcome this limitation, Rust libraries may use unsafe Rust in their implementation to mutate state reached via shared references. Such ...

It feels like the fundamental issue here is shared mutable state, and ...

&TcpStream is a shared reference with interior mutability, and its state can change when you await and let other futures take a turn at accessing the same ...

Silence warnings about safe shared mutable state - Swift Forums

Silence warnings about safe shared mutable state ... Reference to var 'xKey' is not concurrency ... What's modified is inside the UnsafeGlobal ...

In functional programming, are local mutable variables with no side ...

You can make a referentially transparent function that has a mutable variable inside; that isn't a problem. It might be harder to guarantee the ...

Shared mutable state, Sendable, and locks - Discussion - Swift Forums

... internal CriticalManagedState (or a similar idea) must be copied into the local library. I know that using actors is generally the more ...