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46 lines
947 B
Go
46 lines
947 B
Go
package error
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import (
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"errors"
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"fmt"
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)
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// baseError is an immutable wrapper around an error.
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type baseError struct {
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Err error `json:"err"`
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}
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func (err *baseError) Unwrap() error {
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return err.Err
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}
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func (err *baseError) Is(other error) bool {
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if other, ok := other.(*baseError); ok {
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return errors.Is(err.Err, other.Err)
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}
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return errors.Is(err.Err, other)
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}
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func (err baseError) Subject(subject string) Error {
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err.Err = PrependSubject(subject, err.Err)
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return &err
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}
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func (err *baseError) Subjectf(format string, args ...any) Error {
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if len(args) > 0 {
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return err.Subject(fmt.Sprintf(format, args...))
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}
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return err.Subject(format)
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}
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func (err baseError) With(extra error) Error {
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return &nestedError{&err, []error{extra}}
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}
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func (err baseError) Withf(format string, args ...any) Error {
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return &nestedError{&err, []error{fmt.Errorf(format, args...)}}
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}
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func (err *baseError) Error() string {
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return err.Err.Error()
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}
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