*/
// F is a checker, F : T& -> ()
template <class T, class F>
-typename std::enable_if_t<std::is_same<void, decltype(std::declval<F>()(std::declval<const T&>()))>::value, void>
+typename std::enable_if_t<std::is_same_v<void, decltype(std::declval<F>()(std::declval<const T&>()))>, void>
bind_flag(T& value, const char* name, const char* description, F callback)
{
declare_flag(name, description, value, std::function<void(const T&)>([&value, callback](const T& val) {
}
template <class T, class F>
-typename std::enable_if_t<std::is_same<void, decltype(std::declval<F>()(std::declval<const T&>()))>::value, void>
+typename std::enable_if_t<std::is_same_v<void, decltype(std::declval<F>()(std::declval<const T&>()))>, void>
bind_flag(T& value, const char* name, std::initializer_list<const char*> aliases, const char* description, F callback)
{
bind_flag(value, name, description, std::move(callback));
}
template <class F>
-typename std::enable_if_t<std::is_same<void, decltype(std::declval<F>()(std::declval<const std::string&>()))>::value,
- void>
+typename std::enable_if_t<std::is_same_v<void, decltype(std::declval<F>()(std::declval<const std::string&>()))>, void>
bind_flag(std::string& value, const char* name, const char* description,
const std::map<std::string, std::string, std::less<>>& valid_values, F callback)
{
mesg += std::string("Possible values for option ") + name + ":\n";
else
mesg += "Invalid value '" + val + "' for option " + name + ". Possible values:\n";
- for (auto const& kv : valid_values)
- mesg += " - '" + kv.first + "': " + kv.second + (kv.first == value ? " <=== DEFAULT" : "") + "\n";
+ for (auto const& [v, descr] : valid_values)
+ mesg += " - '" + v + "': " + descr + (v == value ? " <=== DEFAULT" : "") + "\n";
xbt_die("%s", mesg.c_str());
}));
}
template <class F>
-typename std::enable_if_t<std::is_same<void, decltype(std::declval<F>()(std::declval<const std::string&>()))>::value,
- void>
+typename std::enable_if_t<std::is_same_v<void, decltype(std::declval<F>()(std::declval<const std::string&>()))>, void>
bind_flag(std::string& value, const char* name, std::initializer_list<const char*> aliases, const char* description,
const std::map<std::string, std::string, std::less<>>& valid_values, F callback)
{
*/
// F is a predicate, F : T const& -> bool
template <class T, class F>
-typename std::enable_if_t<std::is_same<bool, decltype(std::declval<F>()(std::declval<const T&>()))>::value, void>
+typename std::enable_if_t<std::is_same_v<bool, decltype(std::declval<F>()(std::declval<const T&>()))>, void>
bind_flag(T& value, const char* name, const char* description, F callback)
{
declare_flag(name, description, value, std::function<void(const T&)>([&value, callback](const T& val) {