interest: recognize Interest in Packet Format v0.3
Interest::wireDecode accepts both v0.2 and v0.3 formats,
but Interest::wireEncode only encodes into v0.2 format.
refs #4527
Change-Id: I784b6f1d5c0d93db33155efddc0180359d8cab74
diff --git a/src/encoding/tlv.hpp b/src/encoding/tlv.hpp
index 8fbe92d..10961c5 100644
--- a/src/encoding/tlv.hpp
+++ b/src/encoding/tlv.hpp
@@ -156,7 +156,7 @@
* @brief Determine whether a TLV-TYPE is "critical" for evolvability purpose.
* @sa https://named-data.net/doc/NDN-packet-spec/0.3/tlv.html#considerations-for-evolvability-of-tlv-based-encoding
*/
-inline bool
+constexpr bool
isCriticalType(uint32_t type)
{
return type <= 31 || (type & 0x01);