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use rustc_data_structures::fx::FxHashMap;
#[derive(Debug)]
pub struct InvalidErrorCode;
#[derive(Clone)]
pub struct Registry {
long_descriptions: FxHashMap<&'static str, Option<&'static str>>,
}
impl Registry {
pub fn new(long_descriptions: &[(&'static str, Option<&'static str>)]) -> Registry {
Registry { long_descriptions: long_descriptions.iter().copied().collect() }
}
pub fn try_find_description(
&self,
code: &str,
) -> Result<Option<&'static str>, InvalidErrorCode> {
self.long_descriptions.get(code).copied().ok_or(InvalidErrorCode)
}
}