Re: Template problems
johan.torp@gmail.com wrote:
Why won't the following code compile:
template <typename T1> struct test_type
{
template <typename T2> static void test();
};
template <typename T> void call_test()
{
test_type<T>::test<int>(); // Renders "error: expected
primary-expression before "int"" and
}
I am compiling with gcc 3.4.4 but I figured this has something to do
with the language.
I believe you need the word "template" there:
test_type<T>:: template test<int>();
Otherwise the compiler cannot interpret the symbols after the member
name as the template argument list. For all it knows it can be the
less-than sign, after which 'int' followed by a greater-than sign is
illegal. Absence of the keyword 'template' basically means that the
"test" name after the '::' is _not_ a template. How can it be?
Imagine that one of your 'test_type' specialisations has a static
data member 'test' that has less-than comparison semantics...
V
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