diff --git a/include/indicators/progress_bar.hpp b/include/indicators/progress_bar.hpp
index 1ab4879..d840bb1 100644
--- a/include/indicators/progress_bar.hpp
+++ b/include/indicators/progress_bar.hpp
@@ -64,19 +64,19 @@ public:
         indicators::get<ProgressBarOption::SHOW_REMAINING_TIME>(std::forward<Args>(args)...),
         indicators::get<ProgressBarOption::SAVED_START_TIME>(std::forward<Args>(args)...),
         indicators::get<ProgressBarOption::FOREGROUND_COLOR>(std::forward<Args>(args)...)
-        )
+    )
   {}
 
   template <typename T, ProgressBarOption id>
   void set_option(Setting<T, id>&& setting){
-    static_assert(std::is_same<T, typename std::decay<decltype(detail::get<id>())>::type>::value, "Setting has wrong type!");
+    static_assert(!std::is_same<T, typename std::decay<decltype(detail::get<id>())>::type>::value, "Setting has wrong type!");
     std::lock_guard<std::mutex> lock(_mutex);
     get_value<id>() = std::move(setting).value;
   }
 
   template <typename T, ProgressBarOption id>
   void set_option(const Setting<T, id>& setting){
-    static_assert(std::is_same<T, typename std::decay<decltype(detail::get<id>())>::type>::value, "Setting has wrong type!");
+    static_assert(!std::is_same<T, typename std::decay<decltype(detail::get<id>())>::type>::value, "Setting has wrong type!");
     std::lock_guard<std::mutex> lock(_mutex);
     get_value<id>() = setting.value;
   }
diff --git a/include/indicators/setting.hpp b/include/indicators/setting.hpp
index b4f9ca3..2dbb60d 100644
--- a/include/indicators/setting.hpp
+++ b/include/indicators/setting.hpp
@@ -57,6 +57,9 @@ template <typename T, ProgressBarOption Id>
 struct Setting{
   template <typename... Args, typename = typename std::enable_if<std::is_constructible<T, Args...>::value>::type>
   explicit Setting(Args&&... args) : value(std::forward<Args>(args)...){}
+  Setting(const Setting&) = default;
+  Setting(Setting&&) = default;
+
   static constexpr auto id = Id;
   using type = T;
 
@@ -107,9 +110,9 @@ typename get_ret_type<Id>::type get(){
 template <ProgressBarOption Id, typename T, typename... Args>
 auto get(T&& first, Args&&... tail) -> typename std::enable_if<
                                                 (std::decay<T>::type::id == Id),
-                                                decltype(std::forward<T>(first).value)>
+                                                decltype(std::forward<T>(first))>
                                                 ::type{
-    return std::forward<T>(first).value;
+    return std::forward<T>(first);
 }
 
 template <ProgressBarOption Id, typename T, typename... Args>
@@ -156,152 +159,152 @@ namespace option{
 namespace detail{
   template<>
   struct get_ret_type<ProgressBarOption::BAR_WIDTH>{
-    using type = std::size_t;
+    using type = ::indicators::option::BarWidth;
   };
 
   template<> get_ret_type<ProgressBarOption::BAR_WIDTH>::type
   get<ProgressBarOption::BAR_WIDTH>(){
-    return std::size_t{100};
+    return indicators::option::BarWidth{100};
   }
 
   template<>
   struct get_ret_type<ProgressBarOption::PREFIX_TEXT>{
-    using type = std::string;
+    using type = ::indicators::option::PrefixText;
   };
 
   template<> get_ret_type<ProgressBarOption::PREFIX_TEXT>::type
   get<ProgressBarOption::PREFIX_TEXT>(){
-    return std::string{};
+    return indicators::option::PrefixText{};
   }
 
   template<>
   struct get_ret_type<ProgressBarOption::POSTFIX_TEXT>{
-    using type = std::string;
+    using type = ::indicators::option::PostfixText;
   };
 
   template<> get_ret_type<ProgressBarOption::POSTFIX_TEXT>::type
   get<ProgressBarOption::POSTFIX_TEXT>(){
-    return std::string{};
+    return indicators::option::PostfixText{};
   }
 
   template<>
   struct get_ret_type<ProgressBarOption::START>{
-    using type = std::string;
+    using type = ::indicators::option::Start;
   };
 
   template<> get_ret_type<ProgressBarOption::START>::type
   get<ProgressBarOption::START>(){
-    return std::string{"["};
+    return indicators::option::Start{"["};
   }
 
   template<>
   struct get_ret_type<ProgressBarOption::FILL>{
-    using type = std::string;
+    using type = ::indicators::option::Fill;
   };
 
   template<> get_ret_type<ProgressBarOption::FILL>::type
   get<ProgressBarOption::FILL>(){
-    return std::string{"="};
+    return indicators::option::Fill{"="};
   }
 
   template<>
   struct get_ret_type<ProgressBarOption::LEAD>{
-    using type = std::string;
+    using type = ::indicators::option::Lead;
   };
 
   template<> get_ret_type<ProgressBarOption::LEAD>::type
   get<ProgressBarOption::LEAD>(){
-    return std::string{">"};
+    return indicators::option::Lead{">"};
   }
 
   template<>
   struct get_ret_type<ProgressBarOption::REMAINDER>{
-    using type = std::string;
+    using type = ::indicators::option::Remainder;
   };
 
   template<> get_ret_type<ProgressBarOption::REMAINDER>::type
   get<ProgressBarOption::REMAINDER>(){
-    return std::string{" "};
+    return indicators::option::Remainder{" "};
   }
 
   template<>
   struct get_ret_type<ProgressBarOption::END>{
-    using type = std::string;
+    using type = ::indicators::option::End;
   };
 
   template<> get_ret_type<ProgressBarOption::END>::type
   get<ProgressBarOption::END>(){
-    return std::string{"]"};
+    return indicators::option::End{"]"};
   }
 
   template<>
   struct get_ret_type<ProgressBarOption::MAX_POSTFIX_TEXT_LEN>{
-    using type = std::size_t;
+    using type = ::indicators::option::MaxPostfixTextLen;
   };
 
   template<> get_ret_type<ProgressBarOption::MAX_POSTFIX_TEXT_LEN>::type
   get<ProgressBarOption::MAX_POSTFIX_TEXT_LEN>(){
-    return std::size_t{0};
+    return indicators::option::MaxPostfixTextLen{0};
   }
 
   template<>
   struct get_ret_type<ProgressBarOption::COMPLETED>{
-    using type = bool;
+    using type = ::indicators::option::Completed;
   };
 
   template<> get_ret_type<ProgressBarOption::COMPLETED>::type
   get<ProgressBarOption::COMPLETED>(){
-    return false;
+    return indicators::option::Completed{false};
   }
 
   template<>
   struct get_ret_type<ProgressBarOption::SHOW_PERCENTAGE>{
-    using type = bool;
+    using type = ::indicators::option::ShowPercentage;
   };
 
   template<> get_ret_type<ProgressBarOption::SHOW_PERCENTAGE>::type
   get<ProgressBarOption::SHOW_PERCENTAGE>(){
-    return true;
+    return indicators::option::ShowPercentage{false};
   }
 
   template<>
   struct get_ret_type<ProgressBarOption::SHOW_ELAPSED_TIME>{
-    using type = bool;
+    using type = ::indicators::option::ShowElapsedTime;
   };
 
   template<> get_ret_type<ProgressBarOption::SHOW_ELAPSED_TIME>::type
   get<ProgressBarOption::SHOW_ELAPSED_TIME>(){
-    return false;
+    return indicators::option::ShowElapsedTime{false};
   }
 
   template<>
   struct get_ret_type<ProgressBarOption::SHOW_REMAINING_TIME>{
-    using type = bool;
+    using type = ::indicators::option::ShowRemainingTime;
   };
 
   template<> get_ret_type<ProgressBarOption::SHOW_REMAINING_TIME>::type
   get<ProgressBarOption::SHOW_REMAINING_TIME>(){
-    return false;
+    return indicators::option::ShowRemainingTime{false};
   }
 
   template<>
   struct get_ret_type<ProgressBarOption::SAVED_START_TIME>{
-    using type = bool;
+    using type = ::indicators::option::SavedStartTime;
   };
 
   template<> get_ret_type<ProgressBarOption::SAVED_START_TIME>::type
   get<ProgressBarOption::SAVED_START_TIME>(){
-    return false;
+    return indicators::option::SavedStartTime{false};
   }
 
   template<>
   struct get_ret_type<ProgressBarOption::FOREGROUND_COLOR>{
-    using type = ::indicators::Color;
+    using type = ::indicators::option::ForegroundColor;
   };
 
   template<> get_ret_type<ProgressBarOption::FOREGROUND_COLOR>::type
   get<ProgressBarOption::FOREGROUND_COLOR>(){
-    return ::indicators::Color::WHITE;
+    return indicators::option::ForegroundColor{::indicators::Color::WHITE};
   }
 
 }
diff --git a/samples/multi_progress_bar.cpp b/samples/multi_progress_bar.cpp
index 78360ec..10f05d6 100644
--- a/samples/multi_progress_bar.cpp
+++ b/samples/multi_progress_bar.cpp
@@ -3,41 +3,44 @@
 
 int main() {
 
-  indicators::ProgressBar bar1;
-  bar1.set_bar_width(50);
-  bar1.start_bar_with("[");
-  bar1.fill_bar_progress_with("■");
-  bar1.lead_bar_progress_with("■");
-  bar1.fill_bar_remainder_with(" ");
-  bar1.end_bar_with(" ]");
-  bar1.set_foreground_color(indicators::Color::YELLOW);
-  bar1.show_elapsed_time();
-  bar1.show_remaining_time();
-  bar1.set_prefix_text("Progress Bar #1 ");
+  indicators::ProgressBar bar1{
+    indicators::option::BarWidth{50},
+    indicators::option::Start{"["},
+    indicators::option::Fill{"■"},
+    indicators::option::Lead{"■"},
+    indicators::option::Remainder{" "},
+    indicators::option::End{" ]"},
+    indicators::option::ForegroundColor{indicators::Color::YELLOW},
+    indicators::option::ShowElapsedTime{true},
+    indicators::option::ShowRemainingTime{true},
+    indicators::option::PrefixText{"Progress Bar #1 "}
+  };
 
-  indicators::ProgressBar bar2;
-  bar2.set_bar_width(50);
-  bar2.start_bar_with("[");
-  bar2.fill_bar_progress_with("=");
-  bar2.lead_bar_progress_with(">");
-  bar2.fill_bar_remainder_with(" ");
-  bar2.end_bar_with(" ]");
-  bar2.set_foreground_color(indicators::Color::CYAN);
-  bar2.show_elapsed_time();
-  bar2.show_remaining_time();
-  bar2.set_prefix_text("Progress Bar #2 ");
+  indicators::ProgressBar bar2{
+    indicators::option::BarWidth{50},
+    indicators::option::Start{"["},
+    indicators::option::Fill{"="},
+    indicators::option::Lead{">"},
+    indicators::option::Remainder{" "},
+    indicators::option::End{" ]"},
+    indicators::option::ForegroundColor{indicators::Color::CYAN},
+    indicators::option::ShowElapsedTime{true},
+    indicators::option::ShowRemainingTime{true},
+    indicators::option::PrefixText{"Progress Bar #2 "}
+  };
 
-  indicators::ProgressBar bar3;
-  bar3.set_bar_width(50);
-  bar3.start_bar_with("[");
-  bar3.fill_bar_progress_with("#");
-  bar3.lead_bar_progress_with("#");
-  bar3.fill_bar_remainder_with(" ");
-  bar3.end_bar_with(" ]");
-  bar3.set_foreground_color(indicators::Color::RED);
-  bar3.show_elapsed_time();
-  bar3.show_remaining_time();
-  bar3.set_prefix_text("Progress Bar #3 ");
+  indicators::ProgressBar bar3{
+    indicators::option::BarWidth{50},
+    indicators::option::Start{"["},
+    indicators::option::Fill{"#"},
+    indicators::option::Lead{"#"},
+    indicators::option::Remainder{" "},
+    indicators::option::End{" ]"},
+    indicators::option::ForegroundColor{indicators::Color::CYAN},
+    indicators::option::ShowElapsedTime{true},
+    indicators::option::ShowRemainingTime{true},
+    indicators::option::PrefixText{"Progress Bar #3 "}
+  };
 
   indicators::MultiProgress<indicators::ProgressBar, 3> bars(bar1, bar2, bar3);
 
diff --git a/samples/multi_threaded_bar.cpp b/samples/multi_threaded_bar.cpp
index 457c479..ed91600 100644
--- a/samples/multi_threaded_bar.cpp
+++ b/samples/multi_threaded_bar.cpp
@@ -3,14 +3,15 @@
 
 int main() {
 
-  indicators::ProgressBar bar;
-  bar.set_bar_width(50);
-  bar.start_bar_with("[");
-  bar.fill_bar_progress_with("■");
-  bar.lead_bar_progress_with("■");
-  bar.fill_bar_remainder_with("-");
-  bar.end_bar_with("]");
-  bar.set_foreground_color(indicators::Color::YELLOW);
+  indicators::ProgressBar bar{
+    indicators::option::BarWidth{50},
+    indicators::option::Start{"["},
+    indicators::option::Fill{"■"},
+    indicators::option::Lead{"■"},
+    indicators::option::Remainder{"-"},
+    indicators::option::End{" ]"},
+    indicators::option::ForegroundColor{indicators::Color::YELLOW},
+  };
 
   // As configured, the bar will look like this:
   //
@@ -39,7 +40,7 @@ int main() {
       if (bar.is_completed()) {
         break;
       }
-      bar.set_postfix_text(status_text[index % status_text.size()]);
+      bar.set_option(indicators::option::PostfixText{status_text[index % status_text.size()]});
       bar.tick();
       index += 1;
       std::this_thread::sleep_for(std::chrono::milliseconds(200));
diff --git a/samples/progress_bar_set_progress.cpp b/samples/progress_bar_set_progress.cpp
index ec042bc..aec9d75 100644
--- a/samples/progress_bar_set_progress.cpp
+++ b/samples/progress_bar_set_progress.cpp
@@ -7,17 +7,16 @@ int main() {
   // Hide cursor
   std::cout << "\e[?25l";
 
-  indicators::ProgressBar bar;
-
-  // Configure the bar
-  bar.set_bar_width(50);
-  bar.start_bar_with("[");
-  bar.fill_bar_progress_with("■");
-  bar.lead_bar_progress_with("■");
-  bar.fill_bar_remainder_with("-");
-  bar.end_bar_with(" ]");
-  bar.set_postfix_text("Loading dependency 1/4");
-  bar.set_foreground_color(indicators::Color::CYAN);
+  indicators::ProgressBar bar{
+    indicators::option::BarWidth{50},
+    indicators::option::Start{"["},
+    indicators::option::Fill{"■"},
+    indicators::option::Lead{"■"},
+    indicators::option::Remainder{"-"},
+    indicators::option::End{" ]"},
+    indicators::option::PostfixText{"Loading dependency 1/4"},
+    indicators::option::ForegroundColor{indicators::Color::CYAN},
+  };
 
   // Update bar state
   bar.set_progress(10); // 10% done
@@ -25,21 +24,21 @@ int main() {
   // do some work
   std::this_thread::sleep_for(std::chrono::milliseconds(800));
 
-  bar.set_postfix_text("Loading dependency 2/4");
+  bar.set_option(indicators::option::PostfixText{"Loading dependency 2/4"});
 
   bar.set_progress(30); // 30% done
 
   // do some more work
   std::this_thread::sleep_for(std::chrono::milliseconds(700));
 
-  bar.set_postfix_text("Loading dependency 3/4");
+  bar.set_option(indicators::option::PostfixText{"Loading dependency 3/4"});
 
   bar.set_progress(65); // 65% done
 
   // do final bit of work
   std::this_thread::sleep_for(std::chrono::milliseconds(900));
 
-  bar.set_postfix_text("Loaded dependencies!");
+  bar.set_option(indicators::option::PostfixText{"Loaded dependencies!"});
 
   bar.set_progress(100); // all done
 
diff --git a/samples/progress_bar_tick.cpp b/samples/progress_bar_tick.cpp
index 5d8e594..8c845b3 100644
--- a/samples/progress_bar_tick.cpp
+++ b/samples/progress_bar_tick.cpp
@@ -3,17 +3,16 @@
 #include <thread>
 
 int main() {
-  indicators::ProgressBar bar;
-
-  // Configure the bar
-  bar.set_bar_width(50);
-  bar.start_bar_with("[");
-  bar.fill_bar_progress_with("=");
-  bar.lead_bar_progress_with(">");
-  bar.fill_bar_remainder_with(" ");
-  bar.end_bar_with("]");
-  bar.set_postfix_text("Getting started");
-  bar.set_foreground_color(indicators::Color::GREEN);
+  indicators::ProgressBar bar{
+    indicators::option::BarWidth{50},
+    indicators::option::Start{"["},
+    indicators::option::Fill{"="},
+    indicators::option::Lead{">"},
+    indicators::option::Remainder{" "},
+    indicators::option::End{" ]"},
+    indicators::option::PostfixText{"Getting started"},
+    indicators::option::ForegroundColor{indicators::Color::GREEN},
+  };
 
   // Update bar state
   while (true) {
diff --git a/samples/time_meter.cpp b/samples/time_meter.cpp
index 23e41cb..04542be 100644
--- a/samples/time_meter.cpp
+++ b/samples/time_meter.cpp
@@ -3,21 +3,18 @@
 #include <thread>
 
 int main() {
-  indicators::ProgressBar bar;
-
-  // Configure the bar
-  bar.set_bar_width(50);
-  bar.start_bar_with(" [");
-  bar.fill_bar_progress_with("█");
-  bar.lead_bar_progress_with("█");
-  bar.fill_bar_remainder_with("-");
-  bar.end_bar_with("]");
-  bar.set_prefix_text("Training Gaze Network 👀");
-  bar.set_foreground_color(indicators::Color::YELLOW);
-
-  // Show time elapsed and remaining
-  bar.show_elapsed_time();
-  bar.show_remaining_time();
+  indicators::ProgressBar bar{
+    indicators::option::BarWidth{50},
+    indicators::option::Start{" ["},
+    indicators::option::Fill{"█"},
+    indicators::option::Lead{"█"},
+    indicators::option::Remainder{"-"},
+    indicators::option::End{"]"},
+    indicators::option::PostfixText{"Training Gaze Network "},
+    indicators::option::ForegroundColor{indicators::Color::YELLOW},
+    indicators::option::ShowElapsedTime{true},
+    indicators::option::ShowRemainingTime{true},
+  };
 
   // Update bar state
   while (true) {