config-lib 0.9.0

Enterprise-grade multi-format configuration library supporting 8 formats (CONF, INI, Properties, JSON, XML, HCL, TOML, NOML) with sub-50ns caching, hot reloading, and comprehensive validation.
Documentation 
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use config_lib::ConfigBuilder;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    // Demo the new convenience methods and builder pattern

    // Using ConfigBuilder for fluent configuration creation
    let config = ConfigBuilder::new().format("conf").from_string(
        r#"
[server]
port = 8080
host = "localhost"
"#,
    )?;

    // Using the new .key() method for ergonomic access
    let port = config.key("server.port").as_integer()?;
    let host = config.key("server.host").as_string()?;
    let name = config.key("app.name").as_string_or("MyApp");

    println!("Server: {host}:{port}");
    println!("App name: {name}");

    // Check if values exist
    println!("Has server config: {}", config.has("server"));
    println!("Has database config: {}", config.has("database"));

    // Using traditional get with defaults for complex types
    let timeout = config.key("timeout").as_integer().unwrap_or(30);
    let debug = config.key("debug").as_bool().unwrap_or(false);

    println!("Timeout: {timeout}");
    println!("Debug mode: {debug}");

    Ok(())
}