// Copyright 2019 Dolthub, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package errhand

type VerboseError interface {
	error
	Verbose() string
	ShouldPrintUsage() bool
}

type emptyErr struct{}

func (e emptyErr) Error() string {
	return ""
}

func (e emptyErr) Verbose() string {
	return ""
}

func (e emptyErr) ShouldPrintUsage() bool {
	return false
}

var ErrVerboseEmpty = emptyErr{}