clang/test/CXX/module/dcl.dcl/dcl.module/p5.cpp

   1 // RUN: rm -rf %t
   2 // RUN: %clang_cc1 -std=c++20 -emit-module-interface %s -o %t -DINTERFACE
   3 // RUN: %clang_cc1 -std=c++20 -fmodule-file=Foo=%t %s -verify -DIMPLEMENTATION
   4 // RUN: %clang_cc1 -std=c++20 -fmodule-file=Foo=%t %s -verify -DEARLY_IMPLEMENTATION
   5 // RUN: %clang_cc1 -std=c++20 -fmodule-file=Foo=%t %s -verify -DUSER
   6
   7 // expected-no-diagnostics
   8
   9 #if defined(INTERFACE) || defined(EARLY_IMPLEMENTATION) || defined(IMPLEMENTATION)
  10 module;
  11 #endif
  12
  13 #ifdef USER
  14 import Foo;
  15 #endif
  16
  17 #ifdef EARLY_IMPLEMENTATION
  18 module Foo;
  19 #endif
  20
  21 template<typename T> struct type_template {
  22   typedef T type;
  23   void f(type);
  24 };
  25
  26 template<typename T> void type_template<T>::f(type) {}
  27
  28 template<int = 0, typename = int, template<typename> class = type_template>
  29 struct default_template_args {};
  30
  31 #ifdef INTERFACE
  32 export module Foo;
  33 #endif
  34
  35 #ifdef IMPLEMENTATION
  36 module Foo;
  37 #endif