macro_rules! implement_diagnostic_functions {
    (Lint, $(($kind:ident, $message:expr $(, $variant:ident)* )),*) => { ... };
    (Error, $(($code:literal, $kind:ident, $message:expr $(, $variant:ident)* )),*) => { ... };
    (@error $kind:path,) => { ... };
    (@error $kind:path, $($variant:ident),+) => { ... };
    (@description $kind:path,) => { ... };
    (@description $kind:path, $($variant:ident),+) => { ... };
}
Expand description

A macro that implements the code and message functions for Lint and Error enums.