contakx/errors.go at master · jorgeastorga/contakx · GitHub

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package main

import "errors"

type ValidationError error

var (
	errNoUsername           = ValidationError(errors.New("You must supply a username"))
	errNoEmail              = ValidationError(errors.New("You must supply an email"))
	errNoPassword           = ValidationError(errors.New("You must supply a password"))
	errPasswordTooShort     = ValidationError(errors.New("Your password is too short"))
	errUsernameExists       = ValidationError(errors.New("That username is taken"))
	errEmailExists          = ValidationError(errors.New("That email address has an account"))
	errCredentialsIncorrect = ValidationError(errors.New("We couldn't find a user with the supplied username and password combination"))
	errPasswordIncorrect    = ValidationError(errors.New("Password did not match"))
)

func IsValidationError(err error) bool {
	_, ok := err.(ValidationError)
	return ok
}