Add dependencies/vendor (whatsapp)

vendor/go.mau.fi/libsignal/util/optional/Integer.go

@@ -0,0 +1,17 @@
+package optional
+
+// NewOptionalUint32 returns an optional Uint32 structure.
+func NewOptionalUint32(value uint32) *Uint32 {
+	return &Uint32{Value: value, IsEmpty: false}
+}
+
+func NewEmptyUint32() *Uint32 {
+	return &Uint32{IsEmpty: true}
+}
+
+// Uint32 is a simple structure for Uint32 values that can
+// optionally be nil.
+type Uint32 struct {
+	Value   uint32
+	IsEmpty bool
+}