Seems we have some language features not fully documented (like bitshift operators in #1322).

Would be good to go through language grammar and make sure everything is in the reference guide.

Please see below.

$ uftrace record --force python -c 'print("Hello")'
Hello

$ uftrace record --force python3 -c 'print("Hello")'
python3: invalid option -- 'c'
Try 'python3 --help' for more information.

$ python3 -c 'print("Hello")'
Hello

As shown above, python3 doesn't properly accept -c option with uftrace.

Feature Request

Crates

• tracing-core

Motivation

The Collect trait currently has several methods with default implementations that return an Option or some other "empty" or "default" type. In many cases, this isn't because it makes sense for those methods to be optional, but because they were added after v0.1.0 was released and making them mandatory would have been a

Out of scope during Twitch Series but a nice to have feature that can be implemented

Booking is not currently using Subscription, and it could be done by leveraging parametrized Subscriptions.

Tasks to complete in order to implement this feature:

• Modify onUpdateBooking Subscription to include customer and status
• Implement onUpdateBooking subscription in the Fron

Requirement - what kind of business use case are you trying to solve?

Our traces contain data that is covered by GDPR (european user privacy regulations) and, thus developers do not have direct access to all traces. If an error occurs, relevant traces has to be filtered out and the relevant ones are forwarded to the developer.

Another use case:
It would be nice to just attach files with