Other Modifications in C++ 17
This lesson highlights some of the prominent features of C++ 17 that are worth adding to your set of tools.
In C++17 there are also other language features related to templates that are worth to mention:
Allow typename
in a template template parameters
Allows you to use typename
instead of class
when declaring a template template parameter.
Normal type parameters can use them interchangeably, but template template parameters were restricted to class.
More information in N405110.
Allow constant evaluation for all non-type template arguments
Remove syntactic restrictions for pointers, references, and pointers to members that appear as non-type template parameters.
More information in N426811.
Variable Templates for Traits
All the type traits that yields ::value
got accompanying _v
variable templates.
For example:
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