1.4 KiB
1.4 KiB
[temp.dep.namespace]
13 Templates [temp]
13.8 Name resolution [temp.res]
13.8.3 Dependent names [temp.dep]
13.8.3.6 Dependent namespaces [temp.dep.namespace]
A namespace alias is dependent if it is introduced by a namespace-alias-definition whose qualified-namespace-specifier (if any) is a dependent qualified name or whose splice-specifier (if any) is dependent.
A namespace-name is dependent if it names a dependent namespace alias.
[Example 1: template<std::meta::info R>int fn() {namespace Alias = [:R:]; // [:R:] is dependentreturn typename Alias::T{}; // Alias is dependent}namespace NS {using T = int;}int a = fn<^^NS>(); â end example]