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// Copyright 2018 Stefan Kroboth
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
//! # Key Value storage
//!
//! A very simple key-value storage.
//!
//! TODOs:
//! * Either use something existing, or at least evaluate the performance and if necessary,
//! improve performance.
use std;
/// A simple key-value storage
#[derive(Clone)]
pub struct ArgminKV {
/// The actual key value storage
pub kv: Vec<(&'static str, String)>,
}
impl ArgminKV {
/// Constructor
pub fn new() -> Self {
ArgminKV { kv: vec![] }
}
/// Push a key-value pair to the `kv` vector.
///
/// This formats the `val` using `format!`. Therefore `T` has to implement `Display`.
pub fn push<T: std::fmt::Display>(&mut self, key: &'static str, val: T) -> &mut Self {
self.kv.push((key, format!("{}", val)));
self
}
/// Merge another `kv` into `self.kv`
///
/// TODO: Probably not used anymore (?)
pub fn merge(&mut self, other: &mut ArgminKV) -> &mut Self {
self.kv.append(&mut other.kv);
self
}
}