update

2026-04-03 10:40:24 +08:00 · 2020-03-03 11:13:16 +08:00
parent 16c12a3bc6
commit 1dca8dee82
84 changed files with 25 additions and 25 deletions
--- a/learn_class/modern_C++_30/functionLambda/function.cpp
+++ b/learn_class/modern_C++_30/functionLambda/function.cpp
@@ -0,0 +1,32 @@
+//
+// Created by light on 20-1-11.
+//
+
+#include <map>
+#include <iostream>
+#include <functional>
+
+using namespace std;
+
+int main() {
+
+    map<string, function<int(int, int)>>
+            op_dict{
+            {"+",
+                    [](int x, int y) {
+                        return x + y;
+                    }},
+            {"-",
+                    [](int x, int y) {
+                        return x - y;
+                    }},
+            {"*",
+                    [](int x, int y) {
+                        return x * y;
+                    }},
+            {"/",
+                    [](int x, int y) {
+                        return x / y;
+                    }},
+    };
+}