add type id 0x00 support

gopcua · Sep 26, 2019 · cae888b · cae888b
1 parent 4d7f414
commit cae888b
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Showing 2 changed files with 2 additions and 0 deletions.
diff --git a/ua/enums.go b/ua/enums.go
@@ -58,6 +58,7 @@ const (
 type TypeID byte
 
 const (
+	TypeIDNull            TypeID = 0 // not part of specification but some servers (e.g. Prosys) return it anyway
 	TypeIDBoolean         TypeID = 1
 	TypeIDSByte           TypeID = 2
 	TypeIDByte            TypeID = 3

diff --git a/ua/variant.go b/ua/variant.go
@@ -542,6 +542,7 @@ func (m *Variant) Time() time.Time {
 
 var variantTypeToTypeID = map[reflect.Type]TypeID{}
 var variantTypeIDToType = map[TypeID]reflect.Type{
+	TypeIDNull:            reflect.TypeOf(nil),
 	TypeIDBoolean:         reflect.TypeOf(false),
 	TypeIDSByte:           reflect.TypeOf(int8(0)),
 	TypeIDByte:            reflect.TypeOf(uint8(0)),