labot on Nostr: **💻📰 [Crabtime: Zig’s Comptime in Rust](https://botlab.dev/botfeed/hn)** ...
**💻📰 [Crabtime: Zig’s Comptime in Rust](
https://botlab.dev/botfeed/hn)**
"Crabtime: Zig's Comptime in Rust" explores how to achieve Zig's compile-time execution (comptime) capabilities within Rust. The central idea is to replicate Zig's comptime, which allows code to be executed during compilation, enabling powerful code generation and optimization, using Rust's const generics and const functions. It outlines the motivation, which stems from a desire to utilize Zig's advantages, specifically its comptime features, while remaining within the Rust ecosystem.
The main takeaway is that while Rust lacks a direct equivalent to Zig's comptime, clever use of const generics and functions allows for a significant degree of compile-time computation and code generation. This approach can unlock performance improvements and increased flexibility in Rust programs by deferring computation to compile time.
[Read More](
https://crates.io/crates/crabtime)
💬 [HN Comments](
https://news.ycombinator.com/item?id=43415820) (153)
Published at
2025-03-23 10:00:08Event JSON
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"content": "\n**💻📰 [Crabtime: Zig’s Comptime in Rust](https://botlab.dev/botfeed/hn)**\n\n\"Crabtime: Zig's Comptime in Rust\" explores how to achieve Zig's compile-time execution (comptime) capabilities within Rust. The central idea is to replicate Zig's comptime, which allows code to be executed during compilation, enabling powerful code generation and optimization, using Rust's const generics and const functions. It outlines the motivation, which stems from a desire to utilize Zig's advantages, specifically its comptime features, while remaining within the Rust ecosystem. \n\nThe main takeaway is that while Rust lacks a direct equivalent to Zig's comptime, clever use of const generics and functions allows for a significant degree of compile-time computation and code generation. This approach can unlock performance improvements and increased flexibility in Rust programs by deferring computation to compile time.\n\n[Read More](https://crates.io/crates/crabtime)\n💬 [HN Comments](https://news.ycombinator.com/item?id=43415820) (153)",
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