minor: implement unimplemented find options

Author: Machyne

src/mongocxx/options/find.cpp

@@ -34,6 +34,10 @@ void find::comment(std::string comment) {
     _comment = comment;
 }
 
+void find::cursor_type(enum cursor_type cursor_type) {
+    _cursor_type = cursor_type;
+}
+
 void find::limit(std::int32_t limit) {
     _limit = limit;
 }
@@ -78,6 +82,14 @@ const stdx::optional<std::int32_t>& find::batch_size() const {
     return _batch_size;
 }
 
+const stdx::optional<std::string>& find::comment() const {
+    return _comment;
+}
+
+const stdx::optional<cursor_type>& find::cursor_type() const {
+    return _cursor_type;
+}
+
 const stdx::optional<std::int32_t>& find::limit() const {
     return _limit;
 }

src/mongocxx/options/find.hpp

@@ -26,13 +26,14 @@ namespace mongocxx {
 MONGOCXX_INLINE_NAMESPACE_BEGIN
 namespace options {
 
+enum class cursor_type : std::uint8_t { k_non_tailable, k_tailable, k_tailable_await };
+
 ///
 /// Class representing the optional arguments to a MongoDB query.
 ///
 class MONGOCXX_API find {
 
    public:
-    enum class cursor_type : std::uint8_t { k_non_tailable, k_tailable, k_tailable_await };
 
     ///
     /// Sets whether to allow partial results from a mongos if some shards are down (instead of
@@ -101,7 +102,7 @@ class MONGOCXX_API find {
     ///
     /// @see http://docs.mongodb.org/meta-driver/latest/legacy/mongodb-wire-protocol/#op-query
     ///
-    void cursor_type(cursor_type cursor_type);
+    void cursor_type(enum cursor_type cursor_type);
 
     ///
     /// Gets the current cursor type.