Merge pull request #262 from puji4810/main

作业第一次提交

src/群友提交/第01题/mq日.cpp

@@ -0,0 +1,21 @@
+#include <algorithm>
+#include <vector>
+#include <functional>
+#include <iostream>
+template<typename T,typename IT>
+T& operator |(T&& v,const IT& f) 
+{
+    for(auto&& x:v)
+    {
+        f(x);
+    }
+    return v;
+}
+
+int main()
+{
+    std::vector v{1, 2, 3};
+    std::function f{[](const int &i){ std::cout << i << ' '; }};
+    auto f2 = [](int &i){ i *= i; };
+    v | f2 | f;
+}