// Returns the string describing a difference with the given
// configuration object. If the given configuration object is
// identical, an empty string is returned.
4771
func (s *serverConfig) ConfigDiff(t *serverConfig) string {
	switch {
	case t == nil:
		return "Given configuration is empty"
	case s.Credential != t.Credential:
		return "Credential configuration differs"
	case s.Region != t.Region:
		return "Region configuration differs"
	case s.StorageClass != t.StorageClass:
		return "StorageClass configuration differs"
	case !reflect.DeepEqual(s.Cache, t.Cache):
		return "Cache configuration differs"
	case !reflect.DeepEqual(s.Compression, t.Compression):
		return "Compression configuration differs"
	case !reflect.DeepEqual(s.Notify.AMQP, t.Notify.AMQP):
		return "AMQP Notification configuration differs"
	case !reflect.DeepEqual(s.Notify.NATS, t.Notify.NATS):
		return "NATS Notification configuration differs"
	case !reflect.DeepEqual(s.Notify.NSQ, t.Notify.NSQ):
		return "NSQ Notification configuration differs"
	case !reflect.DeepEqual(s.Notify.Elasticsearch, t.Notify.Elasticsearch):
		return "ElasticSearch Notification configuration differs"
	case !reflect.DeepEqual(s.Notify.Redis, t.Notify.Redis):
		return "Redis Notification configuration differs"
	case !reflect.DeepEqual(s.Notify.PostgreSQL, t.Notify.PostgreSQL):
		return "PostgreSQL Notification configuration differs"
	case !reflect.DeepEqual(s.Notify.Kafka, t.Notify.Kafka):
		return "Kafka Notification configuration differs"
	case !reflect.DeepEqual(s.Notify.Webhook, t.Notify.Webhook):
		return "Webhook Notification configuration differs"
	case !reflect.DeepEqual(s.Notify.MySQL, t.Notify.MySQL):
		return "MySQL Notification configuration differs"
	case !reflect.DeepEqual(s.Notify.MQTT, t.Notify.MQTT):
		return "MQTT Notification configuration differs"
	case !reflect.DeepEqual(s.Logger, t.Logger):
		return "Logger configuration differs"
	case !reflect.DeepEqual(s.KMS, t.KMS):
		return "KMS configuration differs"
	case reflect.DeepEqual(s, t):
		return ""
	default:
		// This case will not happen unless this comparison
		// function has become stale.
		return "Configuration differs"
	}
}
1333542
func (set StringSet) Difference(other StringSet) StringSet {
	differencedSet := NewStringSet()
	for elem := range set {
		if !other.Contains(elem) {
			differencedSet.Add(elem)
		}
	}
	return differencedSet
}
491503
func (r *Store) GetStringDefault(key string, def string) string {
	v := r.GetEntry(key)
	if v == nil {
		return def
	}

	return v.StringDefault(def)
}
1116290
func (set IdentifierSet) Difference(other IdentifierSet) IdentifierSet {
	differencedSet := NewIdentifierSet()
	for elem := range set {
		if !other.Contains(elem) {
			differencedSet.Add(elem)
		}
	}
	return differencedSet
}
586206
func equalHelper(a interface{}, b interface{}, options *Options) interface{} {
	if Str(a) == Str(b) {
		return options.Fn()
	}

	return ""
}
265188
func (cfg *Config) Compare(a, b interface{}) string {
	diffCfg := *cfg
	diffCfg.Diffable = true
	return diff.Diff(cfg.Sprint(a), cfg.Sprint(b))
}
493667
func (c *JSONConfigContainer) String(key string) string {
	val := c.getData(key)
	if val != nil {
		if v, ok := val.(string); ok {
			return v
		}
	}
	return ""
}
357464
func (d DiffRecord) String() string {
	return fmt.Sprintf("%s %s", d.Delta, d.Payload)
}
1205336
func Compare(a, b interface{}) Diff {
	mapA := map[string]interface{}{}
	mapB := map[string]interface{}{}

	jsonA, _ := json.Marshal(a)
	jsonB, _ := json.Marshal(b)

	json.Unmarshal(jsonA, &mapA)
	json.Unmarshal(jsonB, &mapB)

	return compareStringMaps(mapA, mapB)
}
217662
func (diff *differ) Diff(out io.Writer, a io.ReadSeeker, b io.ReadSeeker) error {
	var src, dst []byte
	var err error

	if src, err = ioutil.ReadAll(a); err != nil {
		return err
	}
	if dst, err = ioutil.ReadAll(b); err != nil {
		return err
	}

	d := difflib.UnifiedDiff{
		A:       difflib.SplitLines(string(src)),
		B:       difflib.SplitLines(string(dst)),
		Context: 3,
	}

	return difflib.WriteUnifiedDiff(out, d)
}
433497
func (r Spec) String() string {
	if r.Object == "" {
		return r.Locator
	}
	if r.Object[:1] == "@" {
		return fmt.Sprintf("%v%v", r.Locator, r.Object)
	}

	return fmt.Sprintf("%v:%v", r.Locator, r.Object)
}
965668
func compareStrings(a, b string) bool {
	if len(a) != len(b) {
		return false
	}

	return subtle.ConstantTimeCompare([]byte(a), []byte(b)) == 1
}
937670
func (s *rowSegment) Difference(other *rowSegment) *rowSegment {
	data := s.data.Difference(&other.data)

	return &rowSegment{
		data:  *data,
		shard: s.shard,
		n:     data.Count(),
	}
}
625707
func serviceDiff(old, new *Service, contextual bool) *ObjectDiff {
	diff := &ObjectDiff{Type: DiffTypeNone, Name: "Service"}
	var oldPrimitiveFlat, newPrimitiveFlat map[string]string

	if reflect.DeepEqual(old, new) {
		return nil
	} else if old == nil {
		old = &Service{}
		diff.Type = DiffTypeAdded
		newPrimitiveFlat = flatmap.Flatten(new, nil, true)
	} else if new == nil {
		new = &Service{}
		diff.Type = DiffTypeDeleted
		oldPrimitiveFlat = flatmap.Flatten(old, nil, true)
	} else {
		diff.Type = DiffTypeEdited
		oldPrimitiveFlat = flatmap.Flatten(old, nil, true)
		newPrimitiveFlat = flatmap.Flatten(new, nil, true)
	}

	// Diff the primitive fields.
	diff.Fields = fieldDiffs(oldPrimitiveFlat, newPrimitiveFlat, contextual)

	if setDiff := stringSetDiff(old.CanaryTags, new.CanaryTags, "CanaryTags", contextual); setDiff != nil {
		diff.Objects = append(diff.Objects, setDiff)
	}

	// Tag diffs
	if setDiff := stringSetDiff(old.Tags, new.Tags, "Tags", contextual); setDiff != nil {
		diff.Objects = append(diff.Objects, setDiff)
	}

	// Checks diffs
	if cDiffs := serviceCheckDiffs(old.Checks, new.Checks, contextual); cDiffs != nil {
		diff.Objects = append(diff.Objects, cDiffs...)
	}

	return diff
}
376564
func (config *Config) GetString(key string, defaultValue string) (string, error) {
	value, err := config.Get(key, defaultValue)
	if err != nil {
		return defaultValue, err
	}
	if result, ok := value.(string); ok {
		return result, nil
	}
	return defaultValue, &ValueTypeError{key: key, value: value, message: "Value is not a string."}
}
339619
func Diff(e, a interface{}) string {
	if e == nil || a == nil {
		return ""
	}

	t := reflect.TypeOf(e)
	k := t.Kind()

	if reflect.TypeOf(a) != t {
		return ""
	}

	if k == reflect.Ptr {
		t = t.Elem()
		k = t.Kind()
	}

	if k != reflect.Array && k != reflect.Map && k != reflect.Slice && k != reflect.Struct {
		return ""
	}

	es := dumpConf.Sdump(e)
	as := dumpConf.Sdump(a)

	diff, err := difflib.GetUnifiedDiffString(difflib.UnifiedDiff{
		A:        difflib.SplitLines(es),
		B:        difflib.SplitLines(as),
		Context:  1,
		FromFile: "Expected params",
		ToFile:   "Actual params",
	})

	if err != nil {
		panic(err)
	}

	return "\n\nDiff:\n" + diff
}
890875
func (d *ModuleDiff) String() string {
	var buf bytes.Buffer

	names := make([]string, 0, len(d.Resources))
	for name, _ := range d.Resources {
		names = append(names, name)
	}
	sort.Strings(names)

	for _, name := range names {
		rdiff := d.Resources[name]

		crud := "UPDATE"
		switch {
		case rdiff.RequiresNew() && (rdiff.GetDestroy() || rdiff.GetDestroyTainted()):
			crud = "DESTROY/CREATE"
		case rdiff.GetDestroy() || rdiff.GetDestroyDeposed():
			crud = "DESTROY"
		case rdiff.RequiresNew():
			crud = "CREATE"
		}

		extra := ""
		if !rdiff.GetDestroy() && rdiff.GetDestroyDeposed() {
			extra = " (deposed only)"
		}

		buf.WriteString(fmt.Sprintf(
			"%s: %s%s\n",
			crud,
			name,
			extra))

		keyLen := 0
		rdiffAttrs := rdiff.CopyAttributes()
		keys := make([]string, 0, len(rdiffAttrs))
		for key, _ := range rdiffAttrs {
			if key == "id" {
				continue
			}

			keys = append(keys, key)
			if len(key) > keyLen {
				keyLen = len(key)
			}
		}
		sort.Strings(keys)

		for _, attrK := range keys {
			attrDiff, _ := rdiff.GetAttribute(attrK)

			v := attrDiff.New
			u := attrDiff.Old
			if attrDiff.NewComputed {
				v = "<computed>"
			}

			if attrDiff.Sensitive {
				u = "<sensitive>"
				v = "<sensitive>"
			}

			updateMsg := ""
			if attrDiff.RequiresNew {
				updateMsg = " (forces new resource)"
			} else if attrDiff.Sensitive {
				updateMsg = " (attribute changed)"
			}

			buf.WriteString(fmt.Sprintf(
				"  %s:%s %#v => %#v%s\n",
				attrK,
				strings.Repeat(" ", keyLen-len(attrK)),
				u,
				v,
				updateMsg))
		}
	}

	return buf.String()
}