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Getting version information from Cargo.toml at build time in Rust

に公開
Rust
tech

It seems you can get it normally with env!

pub const VERSION: &str = env!("CARGO_PKG_VERSION");

fn main() {
    println!("version: {}", VERSION);
}

This results in the following.

> cargo run
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
     Running `target/debug/play_ground`
version: 0.1.0

It seems useful for things like configuration consistency?

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