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In this section the basic syntactical constructions when declaring templates
are summarized. When em(defining) templates, the terminating
semicolon should be replaced by a function body. However, not every template
declaration may be converted into a template definition. If a definition may
be provided it is explicitly mentioned.
itemization(
it() A plain template declaration (a definition is possible):
verb(
template <typename Type1, typename Type2>
void function(Type1 const &t1, Type2 const &t2);
)
it() A template instantiation declaration (no definition):
verb(
template
void function<int, double>(int const &t1, double const &t2);
)
it() A template using explicit types (no definition):
verb(
void (*fp)(double, double) = function<double, double>;
void (*fp)(int, int) = function<int, int>;
)
it() A template specialization (a definition is possible):
verb(
template <>
void function<char *, char *>(char *const &t1, char *const &t2);
)
it() A template declaration declaring friend template functions within
hi(template class: friend template function)
template classes (covered in section ref(TEMPFRIENDS)):
verb(
friend void function<Type1, Type2>(parameters);
)
)
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