Function ra_ap_hir_expand::eager::expand_eager_macro

pub fn expand_eager_macro(
    db: &dyn AstDatabase, 
    krate: CrateId, 
    macro_call: InFile<MacroCall>, 
    def: MacroDefId, 
    resolver: &dyn Fn(ModPath) -> Option<MacroDefId>, 
    diagnostic_sink: &mut dyn FnMut(ExpandError)
) -> Result<Result<MacroCallId, ErrorEmitted>, UnresolvedMacro>