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66 lines
1.0 KiB
Go
66 lines
1.0 KiB
Go
package errorx
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import (
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"bytes"
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"sync"
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)
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type (
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// A BatchError is an error that can hold multiple errors.
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BatchError struct {
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errs errorArray
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lock sync.Mutex
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}
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errorArray []error
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)
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// Add adds errs to be, nil errors are ignored.
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func (be *BatchError) Add(errs ...error) {
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be.lock.Lock()
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defer be.lock.Unlock()
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for _, err := range errs {
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if err != nil {
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be.errs = append(be.errs, err)
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}
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}
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}
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// Err returns an error that represents all errors.
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func (be *BatchError) Err() error {
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be.lock.Lock()
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defer be.lock.Unlock()
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switch len(be.errs) {
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case 0:
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return nil
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case 1:
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return be.errs[0]
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default:
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return be.errs
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}
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}
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// NotNil checks if any error inside.
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func (be *BatchError) NotNil() bool {
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be.lock.Lock()
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defer be.lock.Unlock()
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return len(be.errs) > 0
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}
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// Error returns a string that represents inside errors.
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func (ea errorArray) Error() string {
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var buf bytes.Buffer
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for i := range ea {
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if i > 0 {
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buf.WriteByte('\n')
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}
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buf.WriteString(ea[i].Error())
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}
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return buf.String()
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}
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