As calls errors.As.

Format calls fmt.Errorf(format, a...) then wraps the error with the source location of the caller.

Is calls errors.Is.

Join calls errors.Join.

Log logs err with Source location if Err is a ErrorAt.

New calls errors.New.

Unwrap calls errors.Unwrap.

Wrap wraps err in a ErrorAt or returns err if err is nil, already a ErrorAt, or caller info is not available.

ErrUnsupported is errors.ErrUnsupported.

ErrorAt wraps an error with the Source location the error was encountered at for tracing from a top level error handler.

Source represents the Source file and line where an error was encountered.