faml

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Faml is a dynamic configuration scripting language that can embed script code in the configuration file to achieve dynamic configuration update.

Manual

Install: Run cargo add faml in the project directory

fn main() -> anyhow::Result<()> {
    let faml_str = r#"
[hello]
value = 12
name = $"hello {value + 12}"
"#;
    let mut root = faml::FamlExpr::from_str(faml_str)?;
    root["hello"]["value"].set_int(30);
    println!("{}", root["hello"]["name"].evaluate()?.as_str()); // hello 42
    Ok(())
}