lib.data: Add View.get() and View.set().

Author: zyp

amaranth/lib/data.py

@@ -660,6 +660,22 @@ def eq(self, other):
         """
         return self.as_value().eq(other)
 
+    async def get(self):
+        if isinstance(self.__layout, ArrayLayout):
+            return [await self[idx].get() for idx in range(self.__layout.length)]
+
+        else:
+            return {name: await self[name].get() for name in self.__layout.members}
+
+    async def set(self, value):
+        if isinstance(self.__layout, ArrayLayout):
+            for i, v in enumerate(value):
+                await self[i].set(v)
+
+        else:
+            for k, v in value.items():
+                await self[k].set(v)
+
     def __getitem__(self, key):
         """Slice the underlying value.