cirious_codex_config 0.2.0

A robust, foundational configuration management framework for the Cirious ecosystem.
Documentation 
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//! Example: Nested configuration loading.
//!
//! This example demonstrates how to map flat environment variables into
//! a deeply nested Rust structure using the `add_env_nested` method.

use cirious_codex_config::ConfigBuilder;
use serde::Deserialize;
use std::env;

#[derive(Debug, Deserialize)]
struct Database {
  url: String,
  pool_size: u64,
}

#[derive(Debug, Deserialize)]
struct AppConfig {
  database: Database,
}

fn main() -> Result<(), Box<dyn std::error::Error>> {
  env::set_var("APP_DATABASE__URL", "postgres://db.example.com:5432/prod");
  env::set_var("APP_DATABASE__POOL_SIZE", "20");

  let builder = ConfigBuilder::new().add_env_nested("APP_", "__");

  let config = builder.build::<AppConfig>()?;

  println!("Database URL: {}", config.value.database.url);
  println!("Pool Size: {}", config.value.database.pool_size);
  Ok(())
}