Write Rust const functions and const generics for compile-time computation.
npx skills add https://github.com/huiali/rust-skills --skill rust-const
Please help me install this Agent Skill. Skill: rust-const Source: https://github.com/huiali/rust-skills/tree/main/.codex/skills/rust-const Command: npx skills add https://github.com/huiali/rust-skills --skill rust-const
This Skill helps developers move runtime checks and invariants to compile-time, ensuring greater safety, performance, and correctness in Rust code.
const fn): Write functions that can be evaluated at compile time, enabling zero-cost computations.assert! within const fn to enforce constraints during compilation.Use the rust-const skill to demonstrate a const fn for calculating Fibonacci numbers.
High-intent search queries and answers about installing and using this skill.
Const generics in Rust allow you to define types and functions generic over compile-time constants like array sizes. This enables fixed-size buffer implementations with compile-time size checks, ensuring zero-cost abstractions and no runtime overhead.
Compile-time validation in Rust shifts runtime invariant checks to compilation using `assert!` within `const fn`. This enforces API constraints during the build process, guaranteeing safety and eliminating runtime overhead for those checks.
Const generics in Rust allow you to define types and functions generic over compile-time constants like array sizes. This enables fixed-size buffer implementations with compile-time size checks, ensuring zero-cost abstractions and no runtime overhead.
No external dependencies are required to enable compile-time computation. The Skill leverages Rust's native const evaluation capabilities, using built-in const generics and const functions to provide static guarantees directly through the standard compiler.
Limitations of `const fn` stem from Rust's const evaluator constraints, restricting complex computations, heap allocations, and certain system-level operations. You cannot use features unsupported by the compiler's compile-time evaluation environment.
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