TYP305

TYP305 — postfix ? is not an error operator

Subsystem	Type checking
Severity	error

q64 propagates errors with the try keyword, not a ? sigil (spec/errors.md §“why a keyword not a sigil”). Write try expr instead of expr?. Note T? is still the Option<T> type sugar.

From your terminal:

q64 explain TYP305