Class Lösung <a Rectangle <a <p>Lösung href="{{.Root.IndexPath}}/html">HTML</a> JavaScript href="{{.Root.IndexPath}}/commonjs">CommonJS</a> <a href="{{.Root.IndexPath}}/es6">ES6</a> <p>Lösung Lösung
It’s easier to optimize correct code than to correct optimized code.
Joshua Bloch
Lösung HTML
Lösung CommonJS
Lösung ES6