matcher_errors.go at master ⋅ aporeto-inc/elemental

package elemental

import (
	"fmt"
	"reflect"
)

// ErrUnsupportedComparator is the error type that will be returned in the event that that an unsupported comparator
// is used in the filter.
type ErrUnsupportedComparator struct {
	Err error
}

// Is reports whether the provided error has the same type as ErrUnsupportedComparator. This was added as part of the new
// error handling APIs added to Go 1.13
func (e ErrUnsupportedComparator) Is(err error) bool {
	return reflect.TypeOf(err) == reflect.TypeOf(e)
}

// Unwrap returns the embedded error in ErrUnsupportedComparator.
func (e ErrUnsupportedComparator) Unwrap() error {
	return e.Err
}

func (e ErrUnsupportedComparator) Error() string {
	return fmt.Sprintf("unsupported comparator: %s", e.Err)
}

// MatcherError is the error type that will be returned by elemental.MatchesFilter in the event that it returns an error
type MatcherError struct {
	Err error
}

func (me *MatcherError) Error() string {
	return fmt.Sprintf("elemental: unable to match: %s", me.Err)
}

// Unwrap returns the the error contained in 'MatcherError'. This is a special method that aids in error handling for clients
// using Go 1.13 and beyond as they can now utilize the new 'Is' function added to the 'errors' package.
func (me *MatcherError) Unwrap() error {
	return me.Err
}

1		package elemental
2
3		import (
4		"fmt"
5		"reflect"
6		)
7
8		// ErrUnsupportedComparator is the error type that will be returned in the event that that an unsupported comparator
9		// is used in the filter.
10		type ErrUnsupportedComparator struct {
11		Err error
12		}
13
14		// Is reports whether the provided error has the same type as ErrUnsupportedComparator. This was added as part of the new
15		// error handling APIs added to Go 1.13
16		func (e ErrUnsupportedComparator) Is(err error) bool {
17	14	return reflect.TypeOf(err) == reflect.TypeOf(e)
18		}
19
20		// Unwrap returns the embedded error in ErrUnsupportedComparator.
21		func (e ErrUnsupportedComparator) Unwrap() error {
22	14	return e.Err
23		}
24
25		func (e ErrUnsupportedComparator) Error() string {
26	14	return fmt.Sprintf("unsupported comparator: %s", e.Err)
27		}
28
29		// MatcherError is the error type that will be returned by elemental.MatchesFilter in the event that it returns an error
30		type MatcherError struct {
31		Err error
32		}
33
34		func (me *MatcherError) Error() string {
35	14	return fmt.Sprintf("elemental: unable to match: %s", me.Err)
36		}
37
38		// Unwrap returns the the error contained in 'MatcherError'. This is a special method that aids in error handling for clients
39		// using Go 1.13 and beyond as they can now utilize the new 'Is' function added to the 'errors' package.
40		func (me *MatcherError) Unwrap() error {
41	14	return me.Err
42		}

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