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Tip of the Day
Home » Tip Bank » C++
Language: C++
Expertise: Intermediate
May 27, 2004



Building the Right Environment to Support AI, Machine Learning and Deep Learning

Help the Compiler Differentiate Between a Type or Non-type Expression

Sometimes you need to help the compiler differentiate between a type expression and a non-type expression. For example:

template <class type>
void func (type t)
t::Str * p;
Now, say t represents a class type and Str represents a type member of that class. If you meant to declare a pointer of that type, the compiler will assume this expression as multiplication until the template is instantiated. So to help the compiler know this type expression, you can do this:
template <class type>
void func (type t)
typename t::Str * p;
Saurabh Ramya
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