Teach versekey to increment

src/cxx/mod.rs

@@ -86,6 +86,7 @@ pub mod ffi {
         fn set_chapter(self: Pin<&mut VerseKey>, chapter: u8);
         fn set_verse(self: Pin<&mut VerseKey>, verse: u8);
         fn set_versification(self: Pin<&mut VerseKey>, versification: &String);
+        fn increment(self: Pin<&mut VerseKey>);
     }
 }
 

src/cxx/versekey.cc

@@ -161,6 +161,12 @@ namespace sword_rs {
         }
     }
 
+    void VerseKey::increment() {
+        if (ptr) {
+            ptr->increment();
+        }
+    }
+
     bool VerseKey::is_valid() const {
         return ptr != nullptr;
     }

src/cxx/versekey.h

@@ -59,6 +59,8 @@ namespace sword_rs {
         void set_verse(uint8_t verse);
         void set_versification(const rust::String &versification);
 
+        void increment();
+
         bool is_valid() const;
     };
 

src/versekey.rs

@@ -185,6 +185,10 @@ impl VerseKey {
     pub fn set_versification(&mut self, versification: &String) {
         self.as_pin_mut().set_versification(versification)
     }
+
+    pub fn increment(&mut self) {
+        self.as_pin_mut().increment()
+    }
 }
 
 impl Default for VerseKey {