errors

Documentation

Index

• func Except(err error, ignore ...error)
• func ExceptFn[T any](fn ErrorFn[T], ignore ...error) T
• func ExceptFn2[T, U any](fn ErrorFn2[T, U], ignore ...error) (T, U)
• func LastError() error
• func LastErrorWas(err error) bool
• func RegisterCallback(fn Callback)
• func RestoreCallback()
• type Callback
• type ErrorFn
  • func W[T any](t T, err error) ErrorFn[T]
• type ErrorFn2
  • func W2[T, U any](t T, u U, err error) ErrorFn2[T, U]

Functions

func Except

func Except(err error, ignore ...error)

Handle error if not nil, and not among ignored ones

func ExceptFn

func ExceptFn[T any](fn ErrorFn[T], ignore ...error) T

Handle error if not nil, and not among ignored ones Return anything from fn except for error if successful

func ExceptFn2

func ExceptFn2[T, U any](fn ErrorFn2[T, U], ignore ...error) (T, U)

Handle error if not nil, and not among ignored ones Return anything from fn except for error if successful

func LastError

func LastError() error

Retrieve last error

func LastErrorWas

func LastErrorWas(err error) bool

Check if last error was of this kind

func RegisterCallback

func RegisterCallback(fn Callback)

Register custom callback to handle error

func RestoreCallback

func RestoreCallback()

Reset callback function to fmt.Fprintln(os.Stderr, err)

Types

type Callback

type Callback func(error)

Callback function to handle error

type ErrorFn

type ErrorFn[T any] func() (T, error)

Function of type func[T any]() (T, error)

func W

func W[T any](t T, err error) ErrorFn[T]

Wrapper for function of type func[T any]() (T, error)

type ErrorFn2

type ErrorFn2[T, U any] func() (T, U, error)

Function of type func[T, U any]() (T, U, error)

func W2

func W2[T, U any](t T, u U, err error) ErrorFn2[T, U]

Wrapper for function of type func[T, U any]() (T, U, error)