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Blog126.7K views2,633 votes0 replies4,546 following

Rust Const Generics: Moving Array Sizes from Runtime to Compile Time

Rust const generics let you move array sizes from runtime values into the type system. Learn how to replace heap-allocated Vecs and typenum boilerplate with compile-time fixed-size types.

rust type-system compile-timeTasadduq Burneyowner34.8K rep · 02 Sept 2026, 01:03 UTC

Blog115.8K views3,862 votes0 replies4,177 following

Zero‑Cost Fixed‑Size Buffers in Rust with Const Generics

Learn how Rust const generics let you enforce fixed array lengths at compile time, producing zero‑cost abstractions for buffers and drivers.

rust embedded zero-costTasadduq Burneyowner34.8K rep · 02 Oct 2025, 17:35 UTC

Guide23.5K views3,974 votes1 reply1 comment1,844 following

When to Use const fn in Rust: Decision Guide and Example

Learn when to declare a Rust function as const, see the constraints, compare const fn vs regular fn, and view a compile‑time factorial example.

rust compile-time const-fnTasadduq Burneyowner34.8K rep · 13 Feb 2026, 03:30 UTC