C++ : how do I fix this warning on CodeBlocks IDE, warning: catching polymorphic type 'class std::do

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C++ : how do I fix this warning on CodeBlocks IDE, warning: catching polymorphic type 'class std::domain_error' by value [-Wcatch-value=]
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C++ : how do I fix this warning on CodeBlocks IDE, warning: catching polymorphic type 'class std::domain_error' by value [-Wcatch-value=]
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'class this I how : [-Wcatch-value=] std::domain_error' CodeBlocks do IDE, warning catching warning: C++ type polymorphic on fix by value



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