.

01-Empty.cpp

@@ -0,0 +1,3 @@
+//01-Minimal
+
+int main(){}

02-Constant.cpp

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+//02-Constant
+//immutability.
+//const: run time constant.
+//constexpr: compile time constant.
+
+int x = 1;
+const int y = x;
+//constexpr int z = x; //error.
+
+
+//double f(double x){return x*x;}
+constexpr double f(double x){return x*x;}
+constexpr int z = f(10);
+
+
+int main(){}

03-Enum.cpp

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+//03-Enum
+
+//plain enum.
+enum COLOR{Red, Green, Blue};
+int C = COLOR::Red; //Red.
+
+//strongly typed enum.
+enum class color{Red, Green, Blue};
+//int c = color::Red; //error.
+//color c = 1; //error.
+color c = color::Red;
+
+int main(){}

04-Seperation.cpp

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+//04-Modularity
+//declaration and implementation are seperated into different files.
+
+//class.h
+class C{
+	int x;
+	void f(int);
+};
+
+//class.cpp
+//#include "class.h"
+void C::f(int y){
+	x = y;
+}
+
+//main.cpp
+//#include "class.h"
+int main(){}

05-Namespace.cpp

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+//05-Namespace
+//used to organize components.
+
+namespace N{
+	void f(){} //N namespace.
+};
+
+void f(){} //global scope.
+
+int main(){
+	//using namespace N; //error. conflict.
+	N::f();
+	f();
+}

06-Exception.cpp

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+//06-Exception
+//report errors found at run time.
+
+#include <iostream>
+
+class C{
+public:
+	C(int x){
+		if(x > 10) throw std::out_of_range{"Exception: Large Number."};
+	}
+};
+
+int main(){
+	try{
+		C c{15};
+	}
+	catch(std::out_of_range){
+		std::cout << "Exception occured.\n";
+	}
+}

07-StaticAssertion.cpp

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+//07-StaticAssertion
+//compile time error checking.
+
+#include <iostream>
+
+int main(){
+	const int x = 15;
+	static_assert(x<10, "integer is too large."); //error at compile time.
+}

08-InitializerList.cpp

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+//08-InitializerList
+
+#include <iostream>
+
+class C{
+public:
+	C(std::initializer_list<int> l){
+		data = new int[l.size()];
+		std::copy(l.begin(), l.end(), data);
+	}
+
+	int *data;
+};
+
+int main(){
+	C c{1, 2, 3};
+	std::cout << c.data[0] << std::endl;
+}

MODERNCPP_REMINDER.txt

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+*** MODERN CPP ***

MODERNCPP_SOURCE.txt

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+*** MODERN CPP ***
+
+[SOFTWARE]
+* Compiler: MinGW GCC, MSVC
+* IDE: CodeLite, Visual Studio 2019
+
+01-Empty
+02-Constant
+03-Enum
+04-Seperation
+05-Namespace
+06-Exception
+07-StaticAssertion
+08-InitializerList