revision #1: 更新第二章中已维护的代码

code/1/1.1.c.and.cpp

@@ -2,7 +2,7 @@
 // 1.1.cpp
 //
 // chapter 1 introduction
-// c++1x tutorial
+// modern cpp tutorial
 //
 // created by changkun at changkun.de
 //
@@ -12,7 +12,7 @@
 #include <functional>
 
 int main() {
-    // 使用 lambda 表达式
+    // use lambda expression
     [out = std::ref(std::cout << "Result from C code: " << add(1, 2))](){
         out.get() << ".\n";
     }();

code/1/Makefile

@@ -2,21 +2,21 @@
 # 1.1.cpp
 #
 # chapter 1 introduction
-# c++1x tutorial
+# modern cpp tutorial
 #
 # created by changkun at changkun.de
 #
 
 C = gcc
-CXX = g++
+CXX = clang++
 
 SOURCE_C = foo.c
 OBJECTS_C = foo.o 
 
-SOURCE_CXX = 1.1.cpp
+SOURCE_CXX = 1.1.c.and.cpp
 
-TARGET = 1.1
-LDFLAGS_COMMON = -std=c++1z
+TARGET = 1.1.out
+LDFLAGS_COMMON = -std=c++17
 
 all:
 	$(C) -c $(SOURCE_C)

code/1/foo.c

@@ -2,14 +2,14 @@
 // foo.c
 //
 // chapter 1 introduction
-// c++1x tutorial
+// modern cpp tutorial
 //
 // created by changkun at changkun.de
 //
 
 #include "foo.h"
 
-// C 语言代码
+// C code
 int add(int x, int y) {
     return x+y;
 }

code/1/foo.h

@@ -2,7 +2,7 @@
 // foo.h
 //
 // chapter 1 introduction
-// c++1x tutorial
+// modern cpp tutorial
 //
 // created by changkun at changkun.de
 //