13 Templates [temp]

13.8 Name resolution [temp.res]

13.8.3 Dependent names [temp.dep]

13.8.3.5 Dependent template arguments [temp.dep.temp]

1
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A type template-argument is dependent if the type it specifies is dependent.
2
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A non-type template-argument is dependent if its type is dependent or the constant expression it specifies is value-dependent.
3
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Furthermore, a non-type template-argument is dependent if the corresponding non-type template-parameter is of reference or pointer type and the template-argument designates or points to a member of the current instantiation or a member of a dependent type.
4
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A template template-parameter is dependent if it names a template-parameter or its terminal name is dependent.