Adds program to count size of test suite

src/measure.cpp

@@ -0,0 +1,41 @@
+#include <trie.hpp>
+
+#include <cstdint>
+#include <iostream>
+#include <sstream>
+#include <string>
+#include <unordered_map>
+
+using namespace std;
+
+template <typename T>
+int func(std::istream & in, std::ostream & out) {
+	unordered_map<string, T> translation;
+	trie<T> unique_traces;
+
+	string line;
+	vector<T> current_word;
+	while (getline(in, line)) {
+		current_word.clear();
+		// TODO: this can be done more efficiently, I guess
+		stringstream ss(line);
+		string symbol;
+		while (ss >> symbol) {
+			if (symbol.empty()) continue;
+			const auto id = translation.insert(make_pair(symbol, translation.size())).first->second;
+			current_word.push_back(id);
+		}
+		unique_traces.insert(current_word);
+	}
+
+	const auto p = total_size(unique_traces);
+	out << p.first << '\t' << p.second << '\t' << p.first + p.second << endl;
+
+	return 0;
+}
+
+int main(int argc, char * argv[]) {
+	// default is an alphabet is maximal 2^32 = 4'294'967'296 symbols
+	// this bound does not really matter for speed or space
+	return func<uint32_t>(cin, cout);
+}

src/methods.cpp

@@ -125,7 +125,7 @@ int main(int argc, char * argv[]) {
 	if(args.at("--print-suite").asBool()){
 		test_suite.for_each([](const auto & w){
 			for(const auto & x : w) {
-				cout << x;
+				cout << x << ' ';
 			}
 			cout << endl;
 		});