Add moveability

src/requester.cpp

@@ -3,6 +3,7 @@
 #include <vector>
 #include <cstring>
 #include <stdexcept>
+#include <utility>
 
 using namespace sc;
 
@@ -26,6 +27,21 @@ requester::~requester() {
     curl_global_cleanup();
 }
 
+requester::requester(requester&& other) :
+    _h {std::move(other._h)}, _logger {other._logger}, _text {std::move(other._text)}
+{
+    other._h = nullptr;
+    other._logger = nullptr;
+    other._text = "";
+}
+
+requester& requester::operator=(requester&& other) {
+    std::swap(_h, other._h);
+    std::swap(_logger, other._logger);
+    std::swap(_text, other._text);
+    return *this;
+}
+
 std::string requester::get(const std::string &url) {
     _text = "";
     curl_easy_setopt(_h.get(), CURLOPT_URL, url.c_str());

src/requester.hpp

@@ -17,11 +17,13 @@ namespace sc {
             requester();
             ~requester();
 
-            // forbid copying and moving
+            // forbid copying
             requester(const requester&) = delete;
             requester& operator=(const requester&) = delete;
-            requester(requester&&) = delete;
-            requester& operator=(requester&&) = delete;
+
+            // allow move
+            requester(requester&&);
+            requester& operator=(requester&&);
 
             // optional logger
             void logger(sc::logger* logger) { _logger = logger; }