mirror of https://github.com/CGAL/cgal
26 lines
550 B
C++
26 lines
550 B
C++
#include <CGAL/Default.h>
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// A is a concrete type
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struct A {};
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// B is the template class which has 2 template parameters
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// with default arguments : A and int.
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template < typename A1_ = A, typename A2 = int >
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struct B
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{
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// Note that it is also possible to use CGAL::Default
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// instead of A as the default argument for A1_ above.
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// Extract the desired type for A1 :
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typedef typename CGAL::Default::Get<A1_, A>::type A1;
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A1 a1;
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};
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int main ()
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{
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B<CGAL::Default, double> b;
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A a = b.a1; // It is really of type A.
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}
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