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What follows is a generic description of the HelloWorld example, as it may be found (more or less adapted) in various Fractal implementation examples distributions. The example used throughout this tutorial is a very simple application made of two primitive components inside a composite component (see the figure below). The first primitive component is a "server" component that provides an interface to print messages on the console. It can be parameterized thanks to two attributes: a "header" attribute to configure the header printed in front of each message, and a "count" attribute to configure the number of times each message should be printed. The other primitive component is a "client" component that uses the previous component to print some messages.
The server component provides a server interface named
"s" of type
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