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// Copyright 2017 Robert Grosse. // // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or // http://www.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. #[macro_use] extern crate lazy_static; use std::collections::HashMap; use std::sync::Mutex; mod adapters; mod ezstring; pub use ezstring::EZString; lazy_static! { static ref STATIC_STRINGS: Mutex<HashMap<&'static str, EZString>> = Mutex::default(); } /// Creates an EZString from a string literal and interns the result so that calling it multiple times with the same string literal /// won't result in multiple copies or allocations. (However, it still requires locking and querying the /// interned string table each time.) /// /// ``` /// # #![allow(unused_mut, unused_import)] /// use easy_strings::{ez}; /// let s = ez("Hello, world!"); /// ``` pub fn ez(lit: &'static str) -> EZString { let mut map = STATIC_STRINGS.lock().unwrap(); map.entry(lit).or_insert_with(|| EZString::from(lit)).clone() }