mbrubeck / by_address

Rust wrapper type that implements hashing and comparison by pointer address

by_address

Rust wrapper type that implements hashing and comparison based on address rather than value.

• API Documentation
• crates.io package
• Source code

Overview

ByAddress can be used to wrap any pointer type (i.e. any type that implements the Deref trait). This includes references, raw pointers, smart pointers like Rc<T> and Box<T>, and specialized pointer-like types such as Vec<T> and String.

The wrapped pointer implements the following traits based on the address of its contents, rather than their value:

• Hash
• Eq, PartialEq
• Ord, PartialOrd

no_std

This crate does not depend on libstd, so it can be used in no_std projects.

Release notes

Version 1.2.1

• Mark ByThinAddress as repr(transparent).

Version 1.2.0

• Add from_ref constructor.

Version 1.1.2

• Improved documentations.

Version 1.1.1

• Update to Rust 2021.

Version 1.1.0

• New ByThinAddress type.
• Implement the Display trait.
• Custom implementation of Debug that includess the pointer address.

Version 1.0.4

• Improve hashing of fat pointers

Version 1.0.3

• Implement From<T> for ByAddress<T>
• More documentation fixes

Version 1.0.2

• More documentation fixes

Version 1.0.1

• Improved documentation

Version 1.0.0

• Initial release

License

Licensed under the Apache License, Version 2.0 or the MIT license, at your option. See the license files in this directory for details.