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salak.rs

★ 28 Open GitHub ↗

A multi layered configuration loader and zero-boilerplate configuration parser.

// repository documentation

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# salak involve too many stuffs and confused names not only config, please use [cfg-rs](https://crates.io/crates/cfg-rs) instead.

Salak is a multi layered configuration loader and zero-boilerplate configuration parser, with many predefined sources.

[![Crates.io](https://img.shields.io/crates/v/salak?style=flat-square)](https://crates.io/crates/salak)
[![Crates.io](https://img.shields.io/crates/d/salak?style=flat-square)](https://crates.io/crates/salak)
[![Documentation](https://docs.rs/salak/badge.svg)](https://docs.rs/salak)
[![dependency status](https://deps.rs/repo/github/leptonyu/salak.rs/status.svg)](https://deps.rs/crate/salak)
[![License](https://img.shields.io/badge/license-MIT-blue?style=flat-square)](https://github.com/leptonyu/salak.rs/blob/master/LICENSE-MIT)
[![Actions Status](https://github.com/leptonyu/salak.rs/workflows/Rust/badge.svg)](https://github.com/leptonyu/salak.rs/actions)

Please refer to [salak doc](https://docs.rs/salak).

## *Notice*
Please *notice* that `salak-0.9.*` is totally rewrited, so the APIs may changes much, and some functions may be removed. They will be added in later version.

## Quick Example
```rust
use salak::*;

#[derive(Debug, FromEnvironment)]
#[salak(prefix = "config")]
struct Config {
    #[salak(default = false)]
    verbose: bool,
    optional: Option<String>,
    #[salak(name = "val")]
    value: i64,
}
let env = Salak::builder()
    .set("config.val", "2021")
    .build()
    .unwrap();
let config = env.get::<Config>().unwrap();
assert_eq!(2021, config.value);
assert_eq!(None, config.optional);
assert_eq!(false, config.verbose);
```

## Trait FromEnvironment
![](https://raw.githubusercontent.com/leptonyu/salak.rs/main/from_environment.svg)

## Salak Factory
[salak_factory](https://crates.io/crates/salak_factory) can initialize resource based on `salak`, such as redis, postgresql, etc.
```rust
use std::sync::Arc;

use salak::*;
use salak_factory::redis_default::RedisPool;

generate_service!(RedisService {
  redis: RedisPool,
  #[salak(namespace = "hello", access = "pub")]
  back: Option<RedisPool>
});

fn main() -> Result<(), PropertyError> {
    env_logger::builder()
        .filter_level(log::LevelFilter::Info)
        .try_init()?;
    let env = Salak::builder()
        .register_default_resource::<RedisPool>()?
        .configure_args(app_info!())
        .build()?;
    let _service = env.get_service::<RedisService>()?;
    let _conn = _service.as_redis().get()?;
    Ok(())
}
```

salak.rs

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