1 // Copyright 2018 Google LLC All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package name 16 17 import ( 18 "errors" 19 "fmt" 20 ) 21 22 // ErrBadName is an error for when a bad docker name is supplied. 23 type ErrBadName struct { 24 info string 25 } 26 27 func (e *ErrBadName) Error() string { 28 return e.info 29 } 30 31 // Is reports whether target is an error of type ErrBadName 32 func (e *ErrBadName) Is(target error) bool { 33 var berr *ErrBadName 34 return errors.As(target, &berr) 35 } 36 37 // newErrBadName returns a ErrBadName which returns the given formatted string from Error(). 38 func newErrBadName(fmtStr string, args ...any) *ErrBadName { 39 return &ErrBadName{fmt.Sprintf(fmtStr, args...)} 40 } 41 42 // IsErrBadName returns true if the given error is an ErrBadName. 43 // 44 // Deprecated: Use errors.Is. 45 func IsErrBadName(err error) bool { 46 var berr *ErrBadName 47 return errors.As(err, &berr) 48 } 49