Performs a deep check of wrapped errors to find one which is selected by the given classifier func.

This returns the error string without stack trace information.

Perform a deep check, unwrapping errors as much as possilbe and comparing the string version of the error.

This returns a new baseError initialized with the given message and the current stack trace.

Same as New, but with fmt.Printf-style parameters.

Return the lowest-level DropboxError.

Keep peeling away layers or context until a primitive error is revealed.

Wraps another error in a new baseError.

Same as Wrap, but with fmt.Printf-style parameters.

This interface exposes additional information about the error.