Add some convenience string serialization methods:

.gitignore

+build

include/baggage.h

@@ -5,6 +5,7 @@
 #include <cstdint>
 #include <cstddef>
 #include <vector>
+#include <string>
 
 
 /*
@@ -44,9 +45,11 @@ struct Baggage {
 	static Baggage merge(Baggage& a, Baggage& b);
 
 	// Serialize this baggage, as defined in the Brown Tracing Plane (length-prefix each atom in order)
+	std::string str();
 	std::vector<uint8_t> serialize();
 
 	// Deserialize a serialized baggage instance, as defined in the Brown Tracing Plane
+	static Baggage deserialize(std::string bytes);
 	static Baggage deserialize(std::vector<uint8_t> bytes);
 
 	friend std::ostream& operator<< ( std::ostream& os, const Baggage& baggage );

src/atomlayer.cpp

@@ -4,6 +4,7 @@
 #include <cstdint>
 #include <cstddef>
 #include <vector>
+#include <string>
 
 std::vector<uint8_t> encodeVarint(uint64_t x) {
 	std::vector<uint8_t> s;
@@ -98,6 +99,16 @@ std::vector<uint8_t> Baggage::serialize() {
 	return bytes;
 }
 
+std::string Baggage::str() {
+	std::vector<uint8_t> bytes = this->serialize();
+	return std::string(bytes.begin(), bytes.end());
+}
+
+Baggage Baggage::deserialize(std::string bytes) {
+	std::vector<uint8_t> bytev(bytes.begin(), bytes.end());
+	return Baggage::deserialize(bytev);
+}
+
 Baggage Baggage::deserialize(std::vector<uint8_t> bytes) {
 	Baggage baggage;
 	unsigned n = 0;