Fix windows warning. (#332)

examples/dom/canvas.cpp

@@ -30,7 +30,7 @@ int main(int argc, const char* argv[]) {
   // Plot a function:
   std::vector<int> ys(100);
   for (int x = 0; x < 100; x++)
-    ys[x] = 80 + 20 * cos(x * 0.2);
+    ys[x] = int(80 + 20 * cos(x * 0.2));
   for (int x = 0; x < 99; x++)
     c.DrawPointLine(x, ys[x], x + 1, ys[x + 1], Color::Red);
 

examples/dom/color_info_sorted_2d.ipp

@@ -31,7 +31,7 @@ std::vector<std::vector<ColorInfo>> ColorInfoSorted2D() {
               [](const ColorInfo& A, const ColorInfo& B) {
                 return A.value < B.value;
               });
-    for (size_t i = 0; i < column.size() - 1; ++i) {
+    for (int i = 0; i < int(column.size()) - 1; ++i) {
       int best_index = i + 1;
       int best_distance = 255 * 255 * 3;
       for (size_t j = i + 1; j < column.size(); ++j) {

examples/dom/hflow.cpp

@@ -10,7 +10,7 @@
 
 int main(int argc, const char* argv[]) {
   using namespace ftxui;
-  auto make_box = [](size_t dimx, size_t dimy) {
+  auto make_box = [](int dimx, int dimy) {
     std::string title = std::to_string(dimx) + "x" + std::to_string(dimy);
     return window(text(title) | hcenter | bold,
                   text("content") | hcenter | dim) |

examples/dom/package_manager.cpp

@@ -41,7 +41,7 @@ int main(int argc, const char* argv[]) {
 
   int remaining_threads = 12;
 
-  int nb_queued = remaining_tasks.size();
+  int nb_queued = (int)remaining_tasks.size();
   int nb_active = 0;
   int nb_done = 0;
 

examples/dom/vflow.cpp

@@ -10,7 +10,7 @@
 
 int main(int argc, const char* argv[]) {
   using namespace ftxui;
-  auto make_box = [](size_t dimx, size_t dimy) {
+  auto make_box = [](int dimx, int dimy) {
     std::string title = std::to_string(dimx) + "x" + std::to_string(dimy);
     return window(text(title) | hcenter | bold,
                   text("content") | hcenter | dim) |