46 lines
1.3 KiB
Go
46 lines
1.3 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package policy
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import (
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"fmt"
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)
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// Error is the generic type for any error happening during policy
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// parsing.
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type Error struct {
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err error
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}
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// Errorf - formats according to a format specifier and returns
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// the string as a value that satisfies error of type policy.Error
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func Errorf(format string, a ...interface{}) error {
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return Error{err: fmt.Errorf(format, a...)}
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}
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// Unwrap the internal error.
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func (e Error) Unwrap() error { return e.err }
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// Error 'error' compatible method.
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func (e Error) Error() string {
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if e.err == nil {
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return "policy: cause <nil>"
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}
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return e.err.Error()
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}
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