STYLE: Make NumericTraits::GetLength constexpr whenever possible#5671
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It appears that most `NumericTraits` specializations can have constexpr `GetLength` member functions. The only `NumericTraits` specializations whose `GetLength` member functions cannot be constexpr are for `std::vector` and `VariableLengthVector`
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…ngth-constexpr STYLE: Make `NumericTraits::GetLength` constexpr whenever possible
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…ngth-constexpr STYLE: Make `NumericTraits::GetLength` constexpr whenever possible
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It appears that most
NumericTraitsspecializations can have constexprGetLengthmember functions. The onlyNumericTraitsspecializations whoseGetLengthmember functions cannot be constexpr are forstd::vectorandVariableLengthVectorNumericTraits::GetLengthis very fast, and can often be evaluated at compile-time.