lockp111 / go-errors

errors package for golang

go-errors

Errors package for golang

Wrapped on the basis of the "errors" package and added error codes.

Stack printing will be supported in the future.

Features:

• support error codes
• wrapped message
• wrapped error
• compare error
• parse from error
• stack print

Getting started

go get -u github.com/lockp111/go-errors

Usage

New

// no error code
var err = New("new error")
// with code
var err = New("new error", WithCode(255))

Register

// register error, duplate error code will panic
var (
    ErrNotFound = Register(101, "not found")
    ErrUnknow = Register(102, "unknow")
)

WithError

if err := FindUser(1); err != nil {
    return ErrNotFound.WithError(err)
}

WithMessage

err := FindUser(1)
if err == ErrNotFound {
    return ErrNotFound.WithMessage("find user")
}