mirror of
https://github.com/shtorm-7/sing-box-extended.git
synced 2026-05-14 08:52:47 +03:00
26 lines
359 B
Go
26 lines
359 B
Go
package errors
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type hasInnerError interface {
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// Unwrap returns the underlying error of this one.
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Unwrap() error
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}
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func Cause(err error) error {
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if err == nil {
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return nil
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}
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L:
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for {
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switch inner := err.(type) {
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case hasInnerError:
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if inner.Unwrap() == nil {
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break L
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}
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err = inner.Unwrap()
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default:
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break L
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}
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}
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return err
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}
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