         }
         
         // Put a value
-        let value = 3.1415926536
+        let value: Double = 3.1415926536
         let key = "float"
         
         do {

        do {
            let retrievedData = try database.get(type: Data.self, forKey: key)
            
            XCTAssert(retrievedData == nil, "Value still present after database being emptied.")
            
        } catch {
            XCTFail(error.localizedDescription)

    }
    
    func testGetLMDBVersion() {
        XCTAssert(SwiftLMDB.version != (0, 0, 0), "Unable to get LMDB major version.")
    }
    
    func testCreateEnvironment() {
