public void CloseProject(Project project)
{
bool containsProject = this.projects
.Any(pr => pr == project);
if(!containsProject)
{
throw new ArgumentException("Project is not part of this developer's project");
}
project.IsOpen = false;
}
public void CloseProject(Project project)
{
this.IsOpen = false;
Console.WriteLine("The project is closed !");
}