Minor cleanup of object creation example, added singleton subclass check.

Author: Arjan

10 - object creation/object-pool-context.py

@@ -36,10 +36,6 @@ def release(self, r: Reusable):
         self.in_use.remove(r)
         self.free.append(r)
 
-    def set_size(self, size: int):
-        self.size = size
-
-
 # Create reusable pool
 pool= ReusablePool(2)
 

10 - object creation/object-pool.py

@@ -1,7 +1,5 @@
 from typing import List
 
-
-
 class Reusable:
     def test(self):
         print(f"Using object {id(self)}")
@@ -29,9 +27,6 @@ def release(self, r: Reusable):
         self.in_use.remove(r)
         self.free.append(r)
 
-    def set_size(self, size: int):
-        self.size = size
-
 pool = ReusablePool(2)
 r = pool.acquire()
 r2 = pool.acquire()

10 - object creation/singleton.py

@@ -12,8 +12,13 @@ def __init__(self):
     def log(self, msg):
         print(msg)
 
-logger = Logger()
-logger2 = Logger()
+class CustomLogger(Logger):
+    def __init__(self):
+        print("Creating Custom logger")
+        super().__init__()
+
+logger = CustomLogger()
+logger2 = CustomLogger()
 print(logger)
 print(logger2)
 logger.log("Hello")