feat: allow direct conversion without `unwrap`

src/common_code/common_code.h

@@ -12,6 +12,7 @@ class ShortCode;
 class CommonCode {
 public:
     static bool check(uint64_t common_code);
+    explicit operator uint64_t() const { return code; }
     friend std::ostream& operator<<(std::ostream &out, const CommonCode &self);
 
     /// Export functions

src/main.cc

@@ -15,7 +15,7 @@
 
 int main() {
 
-    BasicRanges::build();
+//    BasicRanges::build();
 
 //    std::cout << "wait 3s" << std::endl;
 //    sleep(3);
@@ -26,7 +26,7 @@ int main() {
 //    AllCases::build();
 
     auto f = FastCal();
-    auto ret = f.solve(RawCode::from_common_code("1a9bf0c").unwrap());
+    auto ret = f.solve((uint64_t)RawCode::from_common_code("1a9bf0c"));
 
 //    auto f = FastCal(RawCode::from_common_code("1a9bf0c").unwrap());
 //    auto ret = f.solve();

src/raw_code/raw_code.h

@@ -10,6 +10,7 @@ class CommonCode;
 class RawCode {
 public:
     static bool check(uint64_t raw_code);
+    explicit operator uint64_t() const { return code; }
     friend std::ostream& operator<<(std::ostream &out, const RawCode &self);
 
     /// Export functions

src/short_code/short_code.h

@@ -15,6 +15,7 @@ public:
 
     static void speed_up(enum Mode mode);
     static bool check(uint32_t short_code);
+    explicit operator uint32_t() const { return code; }
     friend std::ostream& operator<<(std::ostream &out, const ShortCode &self);
 
     /// Export functions