first basic implementation

CMakeLists.txt

@@ -0,0 +1,12 @@
+cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+project(promise)
+
+file(GLOB test_sources "*.cpp" "*.hpp")
+add_executable(${PROJECT_NAME} ${test_sources})
+set_target_properties(${PROJECT_NAME} PROPERTIES
+    CXX_STANDARD 14
+    CXX_STANDARD_REQUIRED YES
+    CXX_EXTENSIONS NO)
+
+enable_testing()
+add_test(${PROJECT_NAME} ${PROJECT_NAME})