Function ProblemOf

errs/predicates.go:16–24

ProblemOf extracts the embedded Problem via the non-exported problemCarrier interface. This is the supported way to read shared fields without depending on a specific typed error. A typed error whose embedded *Problem is nil is treated as "not a problem carrier" — returning (nil, true) here would c

(err error)

// carrier" — returning (nil, true) here would cause CategoryOf / IsRetryable
// and other downstream readers to dereference nil.
func ProblemOf(err error) (*Problem, bool) {
	var c problemCarrier
	if errors.As(err, &c) {
		if p := c.ProblemDetail(); p != nil {
			return p, true
		}
	}
	return nil, false
}

// UnwrapTypedError walks the wrap chain and returns the first error that
// embeds Problem (i.e. any typed error in this package). Returns the typed