rust/src/librustc_errors/registry.rs

27 lines
908 B
Rust

// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// 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.
use rustc_data_structures::fx::FxHashMap;
#[derive(Clone)]
pub struct Registry {
descriptions: FxHashMap<&'static str, &'static str>,
}
impl Registry {
pub fn new(descriptions: &[(&'static str, &'static str)]) -> Registry {
Registry { descriptions: descriptions.iter().cloned().collect() }
}
pub fn find_description(&self, code: &str) -> Option<&'static str> {
self.descriptions.get(code).cloned()
}
}