6 stable releases

1.0.5 Apr 5, 2024
1.0.3 Feb 23, 2024

#1604 in Procedural macros

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188 downloads per month
Used in sly_static

MIT license

6KB
95 lines

sly_static

Seamless Rust Static Initialization: Effortless and Efficient

What is this?

This crate allows you to initialize static variables easily (automaticlly) inside main function.

How does it work?

Uses the linkme crate to collect all the static variables and initialize them inside the main function. It makes use of some code from ctor to initialize the statics.

Warning

It uses unsafe code to initialize the statics, but it's safe to use unless you do some weird magic with it.

I say it's safe because all the statics are initialized inside the main function, so there's no way to access them before they are initialized.

Example

use sly_static::sly_static;
use sly_static::sly_main;

#[sly_static]
static MY_STATIC: String = String::from("Hello, World!");

#[sly_main]
fn main() {
    println!("{}", *MY_STATIC);
}

License: MIT

Dependencies

~305–750KB
~18K SLoC