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27 lines
568 B
Go
27 lines
568 B
Go
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package multierror
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// Flatten flattens the given error, merging any *Errors together into
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// a single *Error.
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func Flatten(err error) error {
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// If it isn't an *Error, just return the error as-is
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if _, ok := err.(*Error); !ok {
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return err
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}
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// Otherwise, make the result and flatten away!
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flatErr := new(Error)
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flatten(err, flatErr)
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return flatErr
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}
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func flatten(err error, flatErr *Error) {
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switch err := err.(type) {
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case *Error:
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for _, e := range err.Errors {
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flatten(e, flatErr)
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}
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default:
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flatErr.Errors = append(flatErr.Errors, err)
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}
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}
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