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Compiler Error C3200

  • Article

'template' : invalid template argument for template parameter 'parameter', expected a class template

You passed an invalid argument to a class template. The class template expects template as a parameter. In the following example, calling Y<int, int> aY will generate C3200. The first parameter needs to be a template, such as Y<X, int> aY.

// C3200.cpp
template<typename T>
class X
{
};

template<template<typename U> class T1, typename T2>
class Y
{
};

int main()
{
   Y<int, int> y;   // C3200
}