errors

Oct 27, 2025

Changes in this version

+ var ErrPreconditionViolated = errors.New("precondition is violated")

+ func As(err error, target interface{}) bool

+ func Cause(err error) error

+ func Errorf(format string, args ...interface{}) error

+ func FilterOut(err error, fns ...Matcher) error

+ func Is(err, target error) bool

+ func IsCode(err error, code int) bool

+ func MustRegister(coder Coder)

+ func New(message string) error

+ func Reduce(err error) error

+ func Register(coder Coder)

+ func Unwrap(err error) error

+ func WithCode(code int, format string, args ...interface{}) error

+ func WithMessage(err error, message string) error

+ func WithMessagef(err error, format string, args ...interface{}) error

+ func WithStack(err error) error

+ func Wrap(err error, message string) error

+ func WrapC(err error, code int, format string, args ...interface{}) error

+ func Wrapf(err error, format string, args ...interface{}) error

+ type Aggregate interface

+ Errors func() []error

+ Is func(error) bool

+ func AggregateGoroutines(funcs ...func() error) Aggregate

+ func CreateAggregateFromMessageCountMap(m MessageCountMap) Aggregate

+ func Flatten(agg Aggregate) Aggregate

+ func NewAggregate(errlist []error) Aggregate

+ type Coder interface

+ Code func() int

+ HTTPStatus func() int

+ Reference func() string

+ String func() string

+ func ParseCoder(err error) Coder

+ type Empty struct

+ type Frame uintptr

+ func (f Frame) Format(s fmt.State, verb rune)

+ func (f Frame) MarshalText() ([]byte, error)

+ type Matcher func(error) bool

+ type MessageCountMap map[string]int

+ type StackTrace []Frame

+ func (st StackTrace) Format(s fmt.State, verb rune)

+ type String map[string]Empty

+ func NewString(items ...string) String

+ func StringKeySet(theMap interface{}) String

+ func (s String) Delete(items ...string) String

+ func (s String) Difference(s2 String) String

+ func (s String) Equal(s2 String) bool

+ func (s String) Has(item string) bool

+ func (s String) HasAll(items ...string) bool

+ func (s String) HasAny(items ...string) bool

+ func (s String) Insert(items ...string) String

+ func (s String) Intersection(s2 String) String

+ func (s String) IsSuperset(s2 String) bool

+ func (s String) Len() int

+ func (s String) List() []string

+ func (s String) PopAny() (string, bool)

+ func (s String) Union(s2 String) String

+ func (s String) UnsortedList() []string