wrapped

Documentation

Index

• type WrapErrorFunc
  • func New(msg string) (base error, wrap WrapErrorFunc)

Types

type WrapErrorFunc

type WrapErrorFunc func(err error) error

func New

func New(msg string) (base error, wrap WrapErrorFunc)

Create a function that wraps errors from third-party sources. Those wrapped errors also satisfy errors.Is(err, Base)

Base is a new well-known error that should be a public field of your package, so users can test errors.Is(err, Base)

Example:

var WrongTime, wrapWrongTime = wrapped.New("wrong time")

func foo() error {
	    ...
	    if err != nil {
	        return wrapWrongTime(err)
	    }
}