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42 lines
799 B
Go
42 lines
799 B
Go
package multierror
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import "sync"
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// MultiError type handles error accumulation from goroutines.
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type MultiError struct {
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Errors []error
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mux sync.Mutex
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}
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// Error turns the MultiError structure into a string.
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func (err *MultiError) Error() string {
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str := ""
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for _, e := range err.Errors {
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str += e.Error() + "\n"
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}
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return str[:len(str)-1]
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}
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// Add adds an error to the Multierror structure.
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func (err *MultiError) Add(e error) {
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if e == nil {
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return
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}
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err.mux.Lock()
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err.Errors = append(err.Errors, e)
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err.mux.Unlock()
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}
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// Return is used as a wrapper on return on whether to return the
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// MultiError Structure if errors exist or nil instead of delivering an empty structure.
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func (err *MultiError) Return() error {
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if len(err.Errors) > 0 {
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return err
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}
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return nil
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}
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