minor stuff

include/continuable/continuable.hpp

@@ -89,6 +89,10 @@ template <typename... Args>
 using unique_callback = typename detail::unique_trait_of<
   Args...
 >::callback;
+
+// TODO channel
+// TODO sink
+
 // clang-format on
 } // end namespace cti
 

test/playground/test-playground.cpp

@@ -20,8 +20,17 @@
   SOFTWARE.
 **/
 
+#include <string>
+
 #include <continuable/continuable.hpp>
 
+cti::continuable<std::string> http_request(std::string url) {
+  return [](cti::promise<std::string> promise) {
+    // ...
+    promise.set_value("");
+  };
+}
+
 int main(int, char**) {
   return 0;
 }