rust/compiler/rustc_errors/src/registry.rs
Nicholas Nethercote 84ac80f192 Reformat use declarations.
The previous commit updated `rustfmt.toml` appropriately. This commit is
the outcome of running `x fmt --all` with the new formatting options.
2024-07-29 08:26:52 +10:00

24 lines
671 B
Rust

use rustc_data_structures::fx::FxHashMap;
use crate::ErrCode;
#[derive(Debug)]
pub struct InvalidErrorCode;
#[derive(Clone)]
pub struct Registry {
long_descriptions: FxHashMap<ErrCode, &'static str>,
}
impl Registry {
pub fn new(long_descriptions: &[(ErrCode, &'static str)]) -> Registry {
Registry { long_descriptions: long_descriptions.iter().copied().collect() }
}
/// Returns `InvalidErrorCode` if the code requested does not exist in the
/// registry.
pub fn try_find_description(&self, code: ErrCode) -> Result<&'static str, InvalidErrorCode> {
self.long_descriptions.get(&code).copied().ok_or(InvalidErrorCode)
}
}