func E(argument interface{}, arguments ...interface{}) error
func Errorf(format string, args ...interface{}) error
package for all error handling.
func IsEmpty(err error) bool
func SetDebug(debugOn bool)
func StringToError(text string) error
Str returns an error that formats as the given text. It is intended to be used as the error-typed argument to the E function.
type Error struct { Op Op Kind Kind Err error // contains filtered or unexported fields }
func (e *Error) Error() string
type Kind uint8
const ( Ignore Kind = iota //Unclassified Placeholder )
func (k Kind) String() string
type Op string