59 lines
977 B
Go
59 lines
977 B
Go
package gokwallet
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import (
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"fmt"
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)
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/*
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NewErrors returns a new MultiError based on a slice of error.Error (errs).
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Any nil errors are trimmed. If there are no actual errors after trimming, err will be nil.
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*/
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func NewErrors(errs ...error) (err error) {
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if errs == nil || len(errs) == 0 {
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return
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}
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var realErrs []error = make([]error, 0)
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for _, e := range errs {
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if e == nil {
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continue
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}
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realErrs = append(realErrs, e)
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}
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if len(realErrs) == 0 {
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return
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}
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err = &MultiError{
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Errors: realErrs,
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ErrorSep: "\n",
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}
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return
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}
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// Error returns a string representation of a MultiError (to conform with the error interface).
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func (e *MultiError) Error() (errStr string) {
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var numErrs int
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if e == nil || len(e.Errors) == 0 {
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return
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} else {
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numErrs = len(e.Errors)
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}
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for idx, err := range e.Errors {
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if (idx + 1) < numErrs {
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errStr += fmt.Sprintf("%v%v", err.Error(), e.ErrorSep)
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} else {
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errStr += err.Error()
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}
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}
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return
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}
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