Don't use variadic templates for homogeneous argument lists

Reason

There are more precise ways of specifying a homogeneous sequence, such as an initializer_list.

Example

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Enforcement

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T.meta: Template metaprogramming (TMP)

Templates provide a general mechanism for compile-time programming.

Metaprogramming is programming where at least one input or one result is a type. Templates offer Turing-complete (modulo memory capacity) duck typing at compile time. The syntax and techniques needed are pretty horrendous.