#![deny(missing_docs)]
//! An implementation of a key/value store
use std::collections::HashMap;

#[derive(Debug, Default)]
/// A key/value store
pub struct KvStore {
    store: HashMap<String, String>,
}

impl KvStore {
    /// Create a new store
    pub fn new() -> Self {
        KvStore {
            store: HashMap::new(),
        }
    }

    /// Set a key/value pair
    pub fn set(&mut self, key: String, value: String) {
        self.store.insert(key, value);
    }

    /// Get the value at the specified key
    pub fn get(&mut self, key: String) -> Option<String> {
        match self.store.get(&key) {
            Some(s) => Some(s.to_owned()),
            None => None,
        }
    }

    /// Remove the value at the specified key
    pub fn remove(&mut self, key: String) {
        self.store.remove(&key);
    }
}