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# fondant
> an experimental, macro-only, boilerplate free, configuration management library
### example
```rust
#[derive(Config, Default, Serialize, Deserialize)]
#[filename = "config"] // ~/.config/appconfig/config.toml (XDG spec)
#[extension = "toml"] // possible values: yaml, toml, json
struct AppConfig {
version: u8,
path: String,
}
fn main() {
let mut config = AppConfig::load().unwrap();
config.version = 3;
config.path = "/home/np".to_string();
config.store();
}
```
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