rsconfig 0.1.3

A simple Rust configuration library
Documentation 
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use crate::*;

use serde_json::Value;
use yaml_rust::YamlLoader;

use std::fs;

/// Loads a configuration struct from a YAML (YML) file.
/// Output type must impl YamlConfig
pub fn load_from_yaml<T: YamlConfig>(path: &str) -> T {
    let data = fs::read_to_string(path).expect("Failed to read file");
    let yaml = YamlLoader::load_from_str(&data).expect("Failed to parse YAML");

    T::from_yaml(yaml)
}

/// Loads a configuration struct from a JSON file.
/// Output type must impl JsonConfig
pub fn load_from_json<T: JsonConfig>(path: &str) -> T {
    let data = fs::read_to_string(path).expect("Failed to read file");
    let val: Value = serde_json::from_str(&data).unwrap();

    T::from_json(val)
}

/// Loads a configuration struct from a file.
/// Output type must impl FileConfig
pub fn load_from_file<T: FileConfig>(path: &str) -> Result<T, ()> {
    let p: Vec<&str> = path.split(".").collect();

    match *p.last().unwrap() {
        "yaml" | "yml" => Ok(load_from_yaml(path)),
        "json" => Ok(load_from_json(path)),
        _ => Err(()),
    }
}