19 lines · cpp
1template <typename T, typename... Args>2void fun(T x, Args... args) {}3 4void f() {5 fun(1, 2, 3, 4);6 // The results are quite awkward here, but it's the best we can do for now.7 // Tools, including clangd, can unexpand "args" when showing this to the user.8 // The important thing is that we provide OVERLOAD signature in all those cases.9 //10 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:%(line-5):7 %s -o - | FileCheck --check-prefix=CHECK-1 %s11 // CHECK-1: OVERLOAD: [#void#]fun(<#T x#>)12 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:%(line-7):10 %s -o - | FileCheck --check-prefix=CHECK-2 %s13 // CHECK-2: OVERLOAD: [#void#]fun(int x)14 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:%(line-9):13 %s -o - | FileCheck --check-prefix=CHECK-3 %s15 // CHECK-3: OVERLOAD: [#void#]fun(int x, int args)16 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:%(line-11):16 %s -o - | FileCheck --check-prefix=CHECK-4 %s17 // CHECK-4: OVERLOAD: [#void#]fun(int x, int args, int args)18}19