In C++17, what is the purpose of the standard library templates std::enable_if and std::enable_if_t? Pick ONE option O C O O To induce compile-time errors if certain expressions do not evaluate to true To remove function template instantiations from an overload set if certain requirements related to the types used for the instantiation are not met To conditionally include member variables in a class or struct To query platform-dependent information (e.g. the compiler version) to conditionally compile certain segments of code To prevent templated classes/structs from being instantiated with certain arguments

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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In C++17, what is the purpose of the standard library templates std::enable_if and std::enable_if_t?
Pick ONE option
To induce compile-time errors if certain expressions do not evaluate to true
To remove function template instantiations from an overload set if certain requirements related to the types used for the
instantiation are not met
To conditionally include member variables in a class or struct
To query platform-dependent information (e.g. the compiler version) to conditionally compile certain segments of code
To prevent templated classes/structs from being instantiated with certain arguments
Transcribed Image Text:In C++17, what is the purpose of the standard library templates std::enable_if and std::enable_if_t? Pick ONE option To induce compile-time errors if certain expressions do not evaluate to true To remove function template instantiations from an overload set if certain requirements related to the types used for the instantiation are not met To conditionally include member variables in a class or struct To query platform-dependent information (e.g. the compiler version) to conditionally compile certain segments of code To prevent templated classes/structs from being instantiated with certain arguments
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