ch08, 09, 10: example files

09-closure-deco/clockdeco0.py

@@ -0,0 +1,13 @@
+import time
+
+
+def clock(func):
+    def clocked(*args):  # <1>
+        t0 = time.perf_counter()
+        result = func(*args)  # <2>
+        elapsed = time.perf_counter() - t0
+        name = func.__name__
+        arg_str = ', '.join(repr(arg) for arg in args)
+        print(f'[{elapsed:0.8f}s] {name}({arg_str}) -> {result!r}')
+        return result
+    return clocked  # <3>