🎉 init(cmake): init modern cmake template

src/CMakeLists.txt

@@ -0,0 +1,24 @@
+# Note that headers are optional, and do not affect add_library, but they will not
+# show up in IDEs unless they are listed in add_library.
+
+# Optionally glob, but only for CMake 3.12 or later:
+# file(GLOB HEADER_LIST CONFIGURE_DEPENDS "${ModernCMakeExample_SOURCE_DIR}/include/modern/*.hpp")
+set(HEADER_LIST "${ModernCMakeExample_SOURCE_DIR}/include/modern/lib.hpp")
+
+# Make an automatic library - will be static or dynamic based on user setting
+add_library(modern_library lib.cpp ${HEADER_LIST})
+
+# We need this directory, and users of our library will need it too
+target_include_directories(modern_library PUBLIC ../include)
+
+# This depends on (header only) boost
+target_link_libraries(modern_library PRIVATE Boost::boost)
+
+# All users of this library will need at least C++11
+target_compile_features(modern_library PUBLIC cxx_std_11)
+
+# IDEs should put the headers in a nice place
+source_group(
+  TREE "${PROJECT_SOURCE_DIR}/include"
+  PREFIX "Header Files"
+  FILES ${HEADER_LIST})

src/lib.cpp

@@ -0,0 +1,21 @@
+#include <modern/lib.hpp>
+
+#include <tuple>
+#include <vector>
+#include <algorithm>
+
+#include <boost/accumulators/accumulators.hpp>
+#include <boost/accumulators/statistics/stats.hpp>
+#include <boost/accumulators/statistics/mean.hpp>
+#include <boost/accumulators/statistics/moment.hpp>
+
+namespace ba = boost::accumulators;
+
+std::tuple<double, double> accumulate_vector(const std::vector<double>& values) {
+
+    ba::accumulator_set<double, ba::stats<ba::tag::mean, ba::tag::moment<2>>> acc;
+
+    std::for_each(std::begin(values), std::end(values), std::ref(acc));
+
+    return {ba::mean(acc), ba::moment<2>(acc)};
+}