Method valid

src/instruction.cpp:130–142

}

bool instruction::valid(instruction_ref start, bool check_order) const
{
    return valid() and std::all_of(arguments.begin(), arguments.end(), [&](instruction_ref i) {
               auto self = std::find(i->outputs().begin(), i->outputs().end(), *this);
               bool ret  = self != i->outputs().end();
               if(check_order)
               {
                   // check arguments for this instruction before this instruction
                   ret = ret and (std::distance(start, i) < std::distance(start, *self));
               }
               return ret;
           });
}

bool instruction::valid() const
{