Fix "Issue 9608 - Implement template parameter introspection traits" #5496
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The list of traits and their usage: isTemplateTypeParam - Check whether the template parameter is a type parameter. E.g. template Foo(T) isTemplateValueParam - Check whether the template parameter is a value parameter. E.g. template Foo(int Val) isTemplateAliasParam - Check whether the template parameter is an alias parameter. E.g. template Foo(alias symbol) isTemplateThisParam - Check whether the template parameter is a 'this' parameter. E.g. template Foo(this T) isTemplateVariadicParam - Check whether the template parameter is a variadic parameter. E.g. template Foo(Args...) getTemplateParamCount - Get the number of template parameters. E.g. template(A, B, C) => 3 parameters getTemplateParamIdent - Get the name of a specific template parameter. E.g. template(A, B) => 0 == "A", 1 == "B" getTemplateParamType - If the template parameter is a value parameter, get its type. E.g. template(int Val) => int getTemplateParamSpec - If the template parameter has a specialization, retrieve it. E.g. template(T : int) => int getTemplateParamDefault - If the template parameter has a default value, retrieve it. E.g. template(T = int) => int
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It's the simplest change I could make to get it to compile. Suggestions welcome.