compile.cpp

chronolaw · chronolaw · commit 1a49825b8bf4 · 2020-05-14T09:58:18.000+08:00
diff --git a/section1/compile.cpp b/section1/compile.cpp
@@ -7,7 +7,10 @@
 //
 // gcc -E -dM - < /dev/null
 
+#include <cassert>
+
 #include <typeinfo>
+#include <string>
 #include <iostream>
 #include <stdexcept>
 #include <type_traits>
@@ -107,6 +110,18 @@ void check_type(T v)
     cout << is_void<void>::value << endl;
 }
 
+void case5()
+{
+    int     i = 10;
+    int    *p = &i;
+
+    assert(i > 0 && "i must be greater than zero");
+    assert(p != nullptr);
+
+    std::string str = "hello";
+    assert(!str.empty());
+}
+
 int main()
 {
     using namespace std;
@@ -123,6 +138,7 @@ int main()
     case3();
 
     case4();
+    case5();
 
     check_type(10);
     //check_type((void*)0);
