spelbord.cpp(31): error C2259: 'Pion' : cannot instantiate abstract class
1> due to following members:
1> 'bool Schaakstuk::ZetIsLegaal(int,int,int,int)' : is abstract
1> c:\users\dd\desktop\schaakbordbug\schaakstuk.h(15) : see declaration of 'Schaakstuk::ZetIsLegaal'
1> 'void Schaakstuk::PrintStuk(void)' : is abstract
1> c:\users\don\desktop\schaakbordbug\schaakstuk.h(16) : see declaration of 'Schaakstuk::PrintStuk'
1> 'void Schaakstuk::GeefCor(int [][2],int,int,int,int)' : is abstract
1> c:\users\dd\desktop\schaakbordbug\schaakstuk.h(17) : see declaration of 'Schaakstuk::GeefCor'
1> 'bool Schaakstuk::IsPion(void)' : is abstract
1> c:\users\dd\desktop\schaakbordbug\schaakstuk.h(19) : see declaration of 'Schaakstuk::IsPion'
1>c:\users\dd\desktop\schaakbordbug\spelbord.cpp(31): error C2664: 'Pion::Pion(const Pion &)' : cannot convert parameter 1 from 'Schaakstuk::kleurType' to 'const Pion &'
1> Reason: cannot convert from 'Schaakstuk::kleurType' to 'const Pion'
1> No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called
1>c:\users\dd\desktop\schaakbordbug\spelbord.cpp(32): error C2259: 'Pion' : cannot instantiate abstract class
1> due to following members:
1> 'bool Schaakstuk::ZetIsLegaal(int,int,int,int)' : is abstract
1> c:\users\dd\desktop\schaakbordbug\schaakstuk.h(15) : see declaration of 'Schaakstuk::ZetIsLegaal'
1> 'void Schaakstuk::PrintStuk(void)' : is abstract
1> c:\users\dd\desktop\schaakbordbug\schaakstuk.h(16) : see declaration of 'Schaakstuk::PrintStuk'
1> 'void Schaakstuk::GeefCor(int [][2],int,int,int,int)' : is abstract
1> c:\users\dd\desktop\schaakbordbug\schaakstuk.h(17) : see declaration of 'Schaakstuk::GeefCor'
1> 'bool Schaakstuk::IsPion(void)' : is abstract
1> c:\users\dd\desktop\schaakbordbug\schaakstuk.h(19) : see declaration of 'Schaakstuk::IsPion'
1>c:\users\dd\desktop\schaakbordbug\spelbord.cpp(32): error C2664: 'Pion::Pion(const Pion &)' : cannot convert parameter 1 from 'Schaakstuk::kleurType' to 'const Pion &'
1> Reason: cannot convert from 'Schaakstuk::kleurType' to 'const Pion'
1> No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called