The Rust programming language has reached its 100th stable release
Rust 1.100 marks the 100th stable release of the programming language, highlighted by the long-awaited stabilization of the never type (!) after a decade of work.
The update also brings custom memory allocators via the core Allocator API, new Cargo dependency cooldowns, default unused dependency reporting, and various standard library additions.
The new special data type
After ten years and five failed attempts, the special data type that indicates that a calculation never returns a value has been officially incorporated. This type can now be used in any position, while related operations have become more flexible. This change also affects older versions of the code, as it changes the way the computer handles certain incomplete values.
Memory management and tools
The update brings solid support for custom memory management, allowing developers to define their own memory allocation rules for basic data structures. At the same time, a new helper has been added that automatically performs specific actions when a value ceases to be active in the code.
Security and dependency management
The package management system has gained an optional delay feature, which allows developers to set a minimum age for new packages they use, to reduce the risks of newly released libraries. This feature is based on timestamps and does not affect the immediate installation of packages.
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Additionally, the control system automatically detects and reports unused dependencies declared in configuration files, excluding libraries needed exclusively for development. Temporary file storage has also been improved, separating data based on each project's settings.
Other improvements and updates
The new version includes additional text editing methods, the ability to create formulas without data, as well as new commands for manipulating values. Users who already have the application installed can update it by running the corresponding update command.
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