Closes #22

samples/progress_bar_sstream.cpp

@@ -0,0 +1,37 @@
+#include <chrono>
+#include <indicators/progress_bar.hpp>
+#include <thread>
+#include <sstream>
+
+int main() {
+  using namespace indicators;
+
+  std::stringstream os;
+
+  ProgressBar bar{
+      option::BarWidth{50},
+      option::Start{"["},
+      option::Fill{"="},
+      option::Lead{">"},
+      option::Remainder{" "},
+      option::End{"]"},
+      option::PostfixText{"Getting started"},
+      option::ForegroundColor{indicators::Color::green},
+      option::FontStyles{
+          std::vector<indicators::FontStyle>{indicators::FontStyle::bold}},
+      option::Stream{os}
+  };
+
+  // Update bar state
+  while (true) {
+    bar.tick();
+    if (bar.is_completed())
+      break;
+    std::this_thread::sleep_for(std::chrono::milliseconds(100));
+  }
+
+  std::cout << "Stream contents:\n";
+  std::cout << os.str() << "\n";
+
+  return 0;
+}