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Don't crash if a train has no router
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1 #include "layout.h"
2 #include "utility.h"
3
4 namespace R2C2 {
5
6 Utility3D::Utility3D(Layout3D &l):
7         layout(l)
8 {
9         layout.add(*this);
10 }
11
12 Utility3D::~Utility3D()
13 {
14         layout.remove(*this);
15 }
16
17 } // namespace R2C2