Adding library

Author: stanislawfortonski

.gitignore

@@ -0,0 +1 @@
+.vscode

#1/.gitignore renamed to course/1/.gitignore

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+cmake_minimum_required(VERSION 3.12)
+
+project(HelloWorldProject VERSION 1.0.0)
+
+add_library(
+    HelloLibrary
+    hello-library.hpp
+    hello-library.cpp
+)
+
+add_executable(HelloApp main.cpp)
+
+target_link_libraries(HelloApp PRIVATE HelloLibrary)

#2/CMakeLists.txt renamed to course/2/CMakeLists.txt

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+*
+!.gitignore

#2/build/.gitignore renamed to course/2/build/.gitignore

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+#include "hello-library.hpp"
+#include <iostream>
+
+void HelloLibrary::showHello()
+{
+    std::cout<<"Hello world"<<std::endl;
+}

#2/main.cpp renamed to course/2/main.cpp

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+#ifndef HELLO_LIBRARY_HPP
+#define HELLO_LIBRARY_HPP 1
+
+namespace HelloLibrary
+{
+    void showHello();
+}
+
+#endif

course/3/CMakeLists.txt

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+#include <iostream>
+#include "hello-library.hpp"
+
+int main()
+{
+    HelloLibrary::showHello();
+    return 0;
+}