huml-rs 0.2.0

A Rust parser for HUML (Human-usable Markup Language)
Documentation 
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use huml_rs::serde::{from_str, to_string};
use serde::{Deserialize, Serialize};

#[derive(Debug, Deserialize, Serialize)]
struct Config {
    app_name: String,
    port: u16,
    debug: bool,
    features: Vec<String>,
    database: Database,
}

#[derive(Debug, Deserialize, Serialize)]
struct Database {
    host: String,
    port: u16,
    name: String,
    ssl: bool,
}

fn main() {
    let huml = r#"
app_name: "My Awesome App"
port: 8080
debug: true
features:: "auth", "logging", "metrics", "caching"
database::
  host: "localhost"
  port: 5432
  name: "myapp_db"
  ssl: true
"#;

    match from_str::<Config>(huml) {
        Ok(config) => {
            println!("Successfully parsed HUML config:");
            println!("{:#?}", config);

            println!("\nAccessing fields:");
            println!("App: {} running on port {}", config.app_name, config.port);
            println!("Debug mode: {}", config.debug);
            println!("Features: {:?}", config.features);
            println!(
                "Database: {}:{}/{}?ssl={}",
                config.database.host,
                config.database.port,
                config.database.name,
                config.database.ssl
            );

            // Demonstrate serialization
            println!("\n=== Serialization Demo ===");
            match to_string(&config) {
                Ok(serialized) => {
                    println!("Successfully serialized config back to HUML:");
                    println!("{}", serialized);

                    // Test round-trip
                    match from_str::<Config>(&serialized) {
                        Ok(round_trip_config) => {
                            println!(
                                "\nRound-trip successful! Configs match: {}",
                                format!("{:?}", config) == format!("{:?}", round_trip_config)
                            );
                        }
                        Err(e) => {
                            eprintln!("Round-trip failed: {}", e);
                        }
                    }
                }
                Err(e) => {
                    eprintln!("Failed to serialize config: {}", e);
                }
            }
        }
        Err(e) => {
            eprintln!("Failed to parse HUML: {}", e);
        }
    }
}