File: list_variables.rs

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rust-dotenvy 0.15.7-1
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use dotenvy::{dotenv_iter, Error};

fn main() -> Result<(), Error> {
    dotenvy::dotenv()?;
    for item in dotenv_iter()? {
        let (key, val) = item?;
        println!("{}={}", key, val);
    }
    Ok(())
}