errors

Documentation

Index

• func As(err error, target interface{}) bool
• func Errorf(fmt string, args ...interface{}) error
• func New(err error, trace ...Location) error
• func Wrap(cause error, err error, trace ...Location) error
• func Wrapf(cause error, fmt string, args ...interface{}) error
• type Error
  • func (e Error) Cause() error
  • func (e Error) Error() string
  • func (e Error) Print(out io.Writer)
  • func (e Error) Trace() []Location
• type Location
  • func (l Location) Print(out io.Writer)
• type Snippet
  • func (s Snippet) IsEmpty() bool
  • func (r Snippet) Print(out io.Writer, line, col uint)
• type Trace

Functions

func As

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

func Errorf

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

func New

func New(err error, trace ...Location) error

func Wrap

func Wrap(cause error, err error, trace ...Location) error

func Wrapf

func Wrapf(cause error, fmt string, args ...interface{}) error

Types

type Error

type Error struct {
	// contains filtered or unexported fields
}

func (Error) Cause

func (e Error) Cause() error

func (Error) Error

func (e Error) Error() string

func (Error) Print

func (e Error) Print(out io.Writer)

func (Error) Trace

func (e Error) Trace() []Location

type Location

type Location struct {
	Name        string // Optional.
	VerboseName string // Optional.
	Line, Col   uint   // Optional, 0 - unused.
	Snippet            // Optional.
}

func (Location) Print

func (l Location) Print(out io.Writer)

type Snippet

type Snippet struct {
	LineOffset uint
	Lines      []string
}

func (Snippet) IsEmpty

func (s Snippet) IsEmpty() bool

func (Snippet) Print

func (r Snippet) Print(out io.Writer, line, col uint)

type Trace

type Trace interface {
	Trace() []Location
}