Introduction to Variable Templates of C++14--Yu Xuan Zhang

Do you know about variable templates?

Introduction to Variable Templates of C++14

by Yu Xuan Zhang

From the article:

The variable template, which comes from N3651, is one of the major proposals in Standard C++14. The main purpose of the variable template is to simplify definitions and uses of parameterized constants.

Rules before C++14 do not allow declaring a variable using a template declaration. There are workarounds for this problem before C++14, but they are either redundant or complicated...

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