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storage_error.go
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storage_error.go
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package storage
//
//Copyright 2018 Telenor Digital AS
//
//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.
//
import "errors"
// ErrNotFound is returned by the storage layer when the specified entity
// isn't found.
var ErrNotFound = errors.New("not found")
// ErrDeleteConstraint is returned by the storage layer when there's an
// constraint preventing the entity from being deleted
var ErrDeleteConstraint = errors.New("constraint error")
// ErrAlreadyExists is returned by the storage layer when the item already
// exists, ie there's a duplicate
var ErrAlreadyExists = errors.New("already exists")