minio/pkg/iam/policy/error.go at dev · dominiklessel/minio

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* 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 iampolicy

import (

"fmt"

)

// Error is the generic type for any error happening during policy

// parsing.

type Error struct {

err error

}

// Errorf - formats according to a format specifier and returns

// the string as a value that satisfies error of type policy.Error

func Errorf(format string, a ...interface{}) error {

return Error{err: fmt.Errorf(format, a...)}

}

// Unwrap the internal error.

func (e Error) Unwrap() error { return e.err }

// Error 'error' compatible method.

func (e Error) Error() string {

if e.err == nil {

return "iam: cause <nil>"

}

return e.err.Error()

}