src/librustc_errors/registry.rs

   1 use rustc_data_structures::fx::FxHashMap;
   2
   3 #[derive(Clone)]
   4 pub struct Registry {
   5     descriptions: FxHashMap<&'static str, &'static str>,
   6 }
   7
   8 impl Registry {
   9     pub fn new(descriptions: &[(&'static str, &'static str)]) -> Registry {
  10         Registry { descriptions: descriptions.iter().cloned().collect() }
  11     }
  12
  13     pub fn find_description(&self, code: &str) -> Option<&'static str> {
  14         self.descriptions.get(code).cloned()
  15     }
  16 }