refactor: move searching to static library

lib_vector_search/include/finder.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+using std::string, std::string_view, std::vector;
+
+class Finder {
+public:
+  virtual ~Finder() = default;
+  virtual vector<const string *> find_prefix(string_view search_term) const = 0;
+};

lib_vector_search/include/linear_finder.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include "finder.h"
+
+class LinearFinder : public Finder {
+private:
+  const vector<string> &word_list_;
+
+public:
+  LinearFinder(const vector<string> &word_list);
+  vector<const string *> find_prefix(string_view search_term) const override;
+};

lib_vector_search/include/parallel_finder.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "finder.h"
+
+class ParallelFinder : public Finder {
+private:
+  const size_t thread_count_;
+  const vector<string> &word_list_;
+
+public:
+  ParallelFinder(const vector<string> &word_list, size_t thread_count);
+  vector<const string *> find_prefix(string_view search_term) const override;
+};

lib_vector_search/include/timer.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <chrono>
+#include <string>
+
+class Timer {
+private:
+  std::string name_;
+  std::chrono::time_point<std::chrono::high_resolution_clock> start_;
+
+public:
+  Timer(std::string_view name);
+
+  void start();
+  void stop();
+};

lib_vector_search/include/word_list_generator.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+class WordListGenerator {
+private:
+  static const std::string charset_;
+
+public:
+  std::vector<std::string> generate();
+};