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boost::polymorphic_strict_get — Retrieves a value of a specified type from a given
variant
.
// In header: <boost/variant/polymorphic_get.hpp> template<typename U, typename T1, typename T2, ..., typename TN> U * polymorphic_strict_get(variant<T1, T2, ..., TN> * operand); template<typename U, typename T1, typename T2, ..., typename TN> const U * polymorphic_strict_get(const variant<T1, T2, ..., TN> * operand); template<typename U, typename T1, typename T2, ..., typename TN> U & polymorphic_strict_get(variant<T1, T2, ..., TN> & operand); template<typename U, typename T1, typename T2, ..., typename TN> const U & polymorphic_strict_get(const variant<T1, T2, ..., TN> & operand);
Acts exactly like polymorphic_relaxed_get
but does a compile time check
that type U
is one of the types that can be stored in variant.