In Zig, there's no equivalent. If both calls fail with error.FileNotFound, the error value alone can't tell you which file was missing. Zig's answer is the Error Return Trace: instead of enriching the error value, the compiler tracks the error's path automatically. In Debug or ReleaseSafe mode, an unhandled error points you directly to the failing try:
created = doc["created"].as_datetime()Copy，更多细节参见PDF资料
Футболисты ЦСКА переиграли «Краснодар» в первом матче полуфинала Пути регионов Кубка России со счетом 3:1. Ответная игра состоится в Краснодаре 17 марта.，更多细节参见PDF资料
"We're only in year three of this war," says Khair. "If it continues for another 10, 15, 20 years, as history tells us is likely, then we could see the balkanisation of Sudan."
他從不召開記者會，也不接受採訪——即便是面對受到嚴格控制的中國媒體。