Styx

sequences (look super clean)
an-object {
    can be
    multi line
}
or {inline style, with commas}

one bare-scalar
two "double-quoted"
raw r#"raw quoted a-la Rust"#
finally <<HEREDOCS
    they work!
    HEREDOCS

country: NO   # boolean false
version: 3.10 # 3.1
comment: "This is a string for sure"

country NO   // opaque scalar "NO"
version 3.10 // opaque scalar "3.10"
comment "This is a string for sure" // nope, an opaque scalar

server
├─ host: "localhost"
├─ port: "8080"          ← still text
└─ tls
   ├─ cert: "/path/cert.pem"
   └─ key: "/path/key.pem"

let port: u16 = doc["server"]["port"].get()?;
let timeout: Duration = doc["timeout"].get()?;
let created: DateTime = doc["created"].get()?;

let port = doc.server.port.asInt()
let timeout = doc.timeout.asDuration()
let created = doc.created.asDateTime()

port = doc["server"]["port"].as_int()
timeout = doc["timeout"].as_duration()
created = doc["created"].as_datetime()

#[derive(Facet)]
struct Server {
    host: String,
    port: u16,
    tls: Option<bool>,
}

let server: Server = facet_styx::from_str(input)?;

/// A server configuration.
Server @object {
  /// Hostname or IP address to bind to.
  host @default(localhost @string)

  /// Port number (1-65535).
  port @default(8080 @int{ min 1, max 65535 })

  /// Enable TLS. Defaults to false.
  tls @default(false @bool)
}

import { parse } from "@bearcove/styx";

const config = parse(input, schema);
console.log(config);

$ node index.ts
{
  "host": "localhost",
  "port": 8080,
  "created": 2024-03-15T14:30:00.000Z  // a Date!
}