39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
// Copyright (c) 2024 Proton AG
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//
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// This file is part of Proton Mail Bridge.
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//
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// Proton Mail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// Proton Mail Bridge 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package internal
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import (
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"errors"
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"fmt"
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)
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// ErrCause returns the cause of the error, the inner-most error in the wrapped chain.
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func ErrCause(err error) error {
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cause := err
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for errors.Unwrap(cause) != nil {
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cause = errors.Unwrap(cause)
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}
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return cause
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}
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func ErrCauseType(err error) string {
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return fmt.Sprintf("%T", ErrCause(err))
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}
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