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package common
import (
"errors"
"reflect"
)
// IsErrorOfType is a modified version of errors.Is, which loosen the check condition
func IsErrorOfType(err, target error) bool {
if target == nil {
return err == target
}
isComparable := reflect.TypeOf(target).Comparable()
for {
if isComparable && reflect.TypeOf(target) == reflect.TypeOf(err) {
return true
}
if x, ok := err.(interface{ Is(error) bool }); ok && x.Is(target) {
return true
}
// TODO: consider supporting target.Is(err). This would allow
// user-definable predicates, but also may allow for coping with sloppy
// APIs, thereby making it easier to get away with them.
if err = errors.Unwrap(err); err == nil {
return false
}
}
}
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