gistfile1.txt

diff --git a/src/main.rs b/src/main.rs
index 61a0589..9cf361e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -40,12 +40,8 @@ impl<'a> Buffer<'a> {
     pub fn from_data<T: Copy>(device: &'a Device, _data: &[T]) -> Self {
         let mut staging_buffer = Buffer::new(device);
 
-        {
-            let staging_buffer_memory = staging_buffer.memory_mut();
-            staging_buffer_memory.map();
-            staging_buffer_memory.unmap();
-        }
-
+        staging_buffer.map_unmap();
+        
         let buffer = Self::new(device);
         staging_buffer.copy_to_buffer(&buffer);
 
@@ -60,6 +56,11 @@ impl<'a> Buffer<'a> {
         &mut self.memory
     }
 
+    pub fn map_unmap(&mut self) {
+        self.memory.map();
+        self.memory.unmap();
+    }
+
     fn copy_to_buffer(&self, _dst_buffer: &Buffer) {
         //
     }