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#include <vector>
 
struct NoDefault
{
  NoDefault(float f);
};
 
int main()
{
    std::vector<NoDefault> arr(5);
    return 0;
}

prog.cpp: In constructor 'std::vector<_Tp, _Alloc>::vector(std::vector::size_type, const value_type&, const allocator_type&) [with _Tp = NoDefault, _Alloc = std::allocator<NoDefault>, std::vector::size_type = unsigned int, value_type = NoDefault, allocator_type = std::allocator<NoDefault>]':
prog.cpp:10:33: error: no matching function for call to 'NoDefault::NoDefault()'
prog.cpp:5:3: note: candidates are: NoDefault::NoDefault(float)
prog.cpp:4:1: note:                 NoDefault::NoDefault(const NoDefault&)

Standard output is empty