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I'm reading some source code in stl_construct.h,
In most cases it has sth in the <>
and i see some lines with only "template<> ...".
what's this?
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Templates are a feature of the C++ programming language that allows functions and classes to operate with generic types. This allows a function or class to work on many different data types without being rewritten for each one.
There is no difference. typename and class are interchangeable in the declaration of a type template parameter.
What does this template function indicates? Explanation: As the return type of function is template T, therefore, the function is returning a general type. Now as the function is taking a template T as its argument which is a general type, therefore, it is accepting a single general type argument.
An individual class defines how a group of objects can be constructed, while a class template defines how a group of classes can be generated. Note the distinction between the terms class template and template class: Class template. is a template used to generate template classes.
This would mean that what follows is a template specialization.
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