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@@ -0,0 +1,41 @@
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+package types
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+
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+import "sync"
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+
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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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+
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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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+
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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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+
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+ return str[:len(str)-1]
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+}
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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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+
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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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+
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+// Return is used as a wrapper on return on wether 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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+
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+ return nil
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+}
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