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I hava a following simple template:
template<class T, T N>
bool VerifyGT(T value) {
return value > N;
}
bool (*test1)(int) = &VerifyGE< int, (int) 0>; // (1)
bool (*test2)(double) = &VerifyGE< double, (double) 0.0>; // (2)
When compiling: test1 initialization succeeds, test2 fails with "doesn not match required type". Any ideas?
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Explanation: Template specialization is used when a different and specific implementation is to be used for a specific data type. In this program, We are using integer and character.
The act of creating a new definition of a function, class, or member of a class from a template declaration and one or more template arguments is called template instantiation. The definition created from a template instantiation is called a specialization.
An explicit specialization of a function template is inline only if it is declared with the inline specifier (or defined as deleted), it doesn't matter if the primary template is inline.
What is the syntax to use explicit class specialization? Explanation: The class specialization is creation of explicit specialization of a generic class. We have to use template<> constructor for this to work. It works in the same way as with explicit function specialization.
Non-type template arguments cannot be of floating-point type. Only integral types, enumerations, pointers and references are allowed.
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