FlattenDetails retrieves the details as per GetAllDetails() and concatenates them into a single string.

FlattenHints retrieves the hints as per GetAllHints() and concatenates them into a single string.

GetAllDetails retrieves the details from the error using in post-order traversal.

GetAllHints retrieves the hints from the error using in post-order traversal.

WithDetail decorates an error with a textual detail.

WithDetailf is a helper that formats the detail string.

WithHint decorates an error with a textual hint.

WithHintf is a helper that formats the hint.

ErrorDetailer is implemented by types that can provide user-informing detail strings.

ErrorHinter is implemented by types that can provide user-informing detail strings.