fix taskflow (#268)

packages/t/taskflow/xmake.lua

@@ -5,7 +5,6 @@ package("taskflow")
 
     add_urls("https://github.com/taskflow/taskflow.git")
     add_urls("https://github.com/taskflow/taskflow/archive/$(version).tar.gz")
-    add_versions("v2.2.0", "a8ad8c94ceeac0bc18d8429f877e10a2af2cd44cd9dc420d9751e69f48ff85d1")
     add_versions("v3.0.0", "553c88a6e56e115d29ac1520b8a0fea4557a5fcda1af1427bd3ba454926d03a2")
 
     on_install(function (package)
@@ -16,19 +15,18 @@ package("taskflow")
         assert(package:check_cxxsnippets({test = [[
             #include <assert.h>
             static void test() {
+
                 tf::Executor executor;
                 tf::Taskflow taskflow;
+
                 std::vector<int> range(10);
-                std::vector<int> out(10);
                 std::iota(range.begin(), range.end(), 0);
-                std::iota(out.begin(), out.end(), 0);
-                taskflow.parallel_for(range.begin(), range.end(), [&] (const int i) {
-                    out[i] = i;
+
+                taskflow.for_each(range.begin(), range.end(), [&] (int i) {
+                  printf("for_each on container item: %d\n", i);
                 });
+
                 executor.run(taskflow).get();
-                for (int i = 0; i < 10; i++) {
-                    assert(out[i] == i);
-                }
             }
         ]]}, {configs = {languages = "c++1z"}, includes = "taskflow/taskflow.hpp"}))
     end)