errors

package

v1.0.2 Latest Latest Go to latest Published: Nov 12, 2025 License: MIT Imports: 4 Imported by: 5

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

Handle error if not nil, and not among ignored ones.

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[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() error

Retrieve last error.

func LastErrorWas(err error) bool

Check if last error was of this kind.

func RegisterCallback(fn Callback)

Register custom callback to handle error.

func RestoreCallback()

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

type Callback func(error)

Callback function to handle error.

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

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

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

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

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

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

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).