added close function to close figures

include/matplotlibcpp17/figure.h

@@ -26,6 +26,9 @@ public:
   Figure(pybind11::object &&figure) {
     self = std::move(figure);
     load_attrs();
+  }
+  ~Figure(){
+
   }
   // add_axes
   axes::Axes add_axes(const pybind11::tuple &args = pybind11::tuple(),
@@ -68,7 +71,7 @@ public:
 private:
   void load_attrs() {
     
-    LOAD_FUNC_ATTR(close, self);
+    //LOAD_FUNC_ATTR(close, self);
     LOAD_FUNC_ATTR(add_axes, self);
     LOAD_FUNC_ATTR(add_gridspec, self);
     LOAD_FUNC_ATTR(add_subplot, self);
@@ -80,7 +83,7 @@ private:
 		LOAD_FUNC_ATTR(set_size_inches,self);
   }
   
-  pybind11::object close_attr;
+  //pybind11::object close_attr;
   pybind11::object add_axes_attr;
   pybind11::object add_gridspec_attr;
   pybind11::object add_subplot_attr;
@@ -113,7 +116,9 @@ gridspec::GridSpec Figure::add_gridspec(int nrow, int ncol,
 
 // close
 void Figure::close() {
-  close_attr();
+  self.attr("close")();
+  //pybind11::close(self);
+  //close_attr();
  // pybind11::object obj = add_subplot_attr(*args, **kwargs);
   //axes::close();
   //self.close();

include/matplotlibcpp17/pyplot.h

@@ -29,6 +29,7 @@ public:
     mod = mod_;
     load_attrs();
   }
+  void close(BaseWrapper & obj);
   // axes
   axes::Axes axes(const pybind11::dict &kwargs = pybind11::dict());
 
@@ -211,6 +212,11 @@ private:
   pybind11::object ylim_attr;
 };
 #ifndef MathPlotLibCPP17_DeclarationOnly
+// close (Figure)
+void PyPlot::close(BaseWrapper & obj){
+  auto refToObject = obj.unwrap(); 
+  mod.attr("close")( refToObject);
+}
 // axes
 axes::Axes PyPlot::axes(const pybind11::dict &kwargs) {
   pybind11::object ax_obj = axes_attr(**kwargs);