



1



















vote added










SOFTVITAL, if we can reliably deliver it

SOFTVITAL




up anymore, I guess?
































Hacker News • 2021-06-15 12:12:01Z 















let _ = |x: Struct| x.field; ?
































































































debug!(?req); is this a shorthand?





debug!(?req); is this a shorthand? tracing when you want to just print one thing with debug formatting



%req would print with Display formatting

debug!("login", user = ?u, thread = ?t);













Error is a trait representing the basic expectations for error values, i.e., values of type E in [Result]. Errors must describe themselves through the [Display] and [Debug] traits, and may provide cause chain information:



















