xref: /llvm-project/clang/test/Modules/deduction-guide3.cppm (revision c5e4afe6733c58e24023ede04275bbed3bde8240)
1// RUN: rm -rf %t
2// RUN: mkdir %t
3// RUN: split-file %s %t
4//
5// RUN: %clang_cc1 -std=c++20 %t/Templ.cppm -emit-module-interface -o %t/Templ.pcm
6// RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t %t/Use.cpp -verify -fsyntax-only
7
8// RUN: %clang_cc1 -std=c++20 %t/Templ.cppm -emit-reduced-module-interface -o %t/Templ.pcm
9// RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t %t/Use.cpp -verify -fsyntax-only
10
11//--- Templ.cppm
12export module Templ;
13template <typename T>
14class Templ {
15public:
16    Templ(T a) {}
17};
18
19template<typename T>
20Templ(T t) -> Templ<T>;
21
22//--- Use.cpp
23import Templ;
24void func() {
25    Templ t(5); // expected-error {{unknown type name 'Templ'}}
26}
27
28