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C++ language in time mechanism
In addition, templates are a compile time mechanism in C++ language that is Turing-complete, meaning that any computation expressible by a computer program also can be computed, in some form, by a template Meta program prior to run time.
In summary, a template is a compile-time parameterized function and class written without knowledge of the specific arguments used to instantiate it. After instantiation, the resulting code is equivalent to code written specifically for the past arguments.
In this manner and templates provide a way to decouple generic, broadly applicable aspects of functions and classes (encoded in templates) from specific aspects (encoded in template parameters) any without sacrificing performance due to abstraction.
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