diff options
Diffstat (limited to 'clang/test/CXX/expr/expr.prim/expr.prim.lambda/p23.cpp')
-rw-r--r-- | clang/test/CXX/expr/expr.prim/expr.prim.lambda/p23.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/clang/test/CXX/expr/expr.prim/expr.prim.lambda/p23.cpp b/clang/test/CXX/expr/expr.prim/expr.prim.lambda/p23.cpp new file mode 100644 index 0000000..174db25 --- /dev/null +++ b/clang/test/CXX/expr/expr.prim/expr.prim.lambda/p23.cpp @@ -0,0 +1,58 @@ +// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify + +void print(); + +template<typename T, typename... Ts> +void print(T first, Ts... rest) { + (void)first; + print(rest...); +} + +template<typename... Ts> +void unsupported(Ts ...values) { + auto unsup = [values] {}; // expected-error{{unexpanded function parameter pack capture is unsupported}} +} + +template<typename... Ts> +void implicit_capture(Ts ...values) { + auto implicit = [&] { print(values...); }; + implicit(); +} + +template<typename... Ts> +void do_print(Ts... values) { + auto bycopy = [values...]() { print(values...); }; + bycopy(); + auto byref = [&values...]() { print(values...); }; + byref(); + + auto bycopy2 = [=]() { print(values...); }; + bycopy2(); + auto byref2 = [&]() { print(values...); }; + byref2(); +} + +template void do_print(int, float, double); + +template<typename T, int... Values> +void bogus_expansions(T x) { + auto l1 = [x...] {}; // expected-error{{pack expansion does not contain any unexpanded parameter packs}} + auto l2 = [Values...] {}; // expected-error{{'Values' in capture list does not name a variable}} +} + +void g(int*, float*, double*); + +template<class... Args> +void std_example(Args... args) { + auto lm = [&, args...] { return g(args...); }; +}; + +template void std_example(int*, float*, double*); + +template<typename ...Args> +void variadic_lambda(Args... args) { + auto lambda = [](Args... inner_args) { return g(inner_args...); }; + lambda(args...); +} + +template void variadic_lambda(int*, float*, double*); |