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Add a workaround for MSVC 16.2 that causes compilation to fail with a "parameter pack must be expanded in this context" error

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This commit is contained in:
Rogiel Sulzbach 2019-07-30 16:19:52 -03:00
parent 42af23fa03
commit 7177ab844b
1 changed files with 13 additions and 4 deletions
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17
include/continuable/continuable-result.hpp
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@ -132,8 +132,13 @@ class result {
struct init_arg_t {}; struct init_arg_t {};
template <typename... Args, detail::traits::void_t<decltype(trait_t::wrap( template <typename... Args
std::declval<Args>()...))>* = nullptr> #if defined(_MSC_VER) && _MSC_VER != 1922
,
detail::traits::void_t<
decltype(trait_t::wrap(std::declval<Args>()...))>* = nullptr
#endif
>
explicit result(init_arg_t, Args&&... values) explicit result(init_arg_t, Args&&... values)
: variant_(trait_t::wrap(std::forward<Args>(values)...)) { : variant_(trait_t::wrap(std::forward<Args>(values)...)) {
} }
@ -144,9 +149,13 @@ class result {
public: public:
using value_t = typename trait_t::value_t; using value_t = typename trait_t::value_t;
template <typename FirstArg, typename... Args, template <typename FirstArg, typename... Args
#if defined(_MSC_VER) && _MSC_VER != 1922
,
detail::traits::void_t<decltype(trait_t::wrap( detail::traits::void_t<decltype(trait_t::wrap(
std::declval<FirstArg>(), std::declval<Args>()...))>* = nullptr> std::declval<FirstArg>(), std::declval<Args>()...))>* = nullptr
#endif
>
explicit result(FirstArg&& first, Args&&... values) explicit result(FirstArg&& first, Args&&... values)
: variant_(trait_t::wrap(std::forward<FirstArg>(first), : variant_(trait_t::wrap(std::forward<FirstArg>(first),
std::forward<Args>(values)...)) { std::forward<Args>(values)...)) {