use crate::err::ExplainErr; use lib::LINTS; pub fn explain(code: u32) -> Result<&'static str, ExplainErr> { match code { 0 => Ok("syntax error"), _ => LINTS .values() .flatten() .find(|l| l.code() == code) .map(|l| l.explanation()) .ok_or(ExplainErr::LintNotFound(code)), } }