Bake dates into snippets

snippets/powerset.md

@@ -1,22 +1,24 @@
----
-title: powerset
-tags: math,list,advanced
----
-
-Returns the powerset of a given iterable.
-
-- Use `list()` to convert the given value to a list.
-- Use `range()` and `itertools.combinations()` to create a generator that returns all subsets.
-- Use `itertools.chain.from_iterable()` and `list()` to consume the generator and return a list.
-
-```py
-from itertools import chain, combinations
-
-def powerset(iterable):
-  s = list(iterable)
-  return list(chain.from_iterable(combinations(s, r) for r in range(len(s)+1)))
-```
-
-```py
-powerset([1, 2]) # [(), (1,), (2,), (1, 2)]
-```
+---
+title: powerset
+tags: math,list,advanced
+firstSeen: 2020-10-04T13:14:01+03:00
+lastUpdated: 2020-11-02T19:28:27+02:00
+---
+
+Returns the powerset of a given iterable.
+
+- Use `list()` to convert the given value to a list.
+- Use `range()` and `itertools.combinations()` to create a generator that returns all subsets.
+- Use `itertools.chain.from_iterable()` and `list()` to consume the generator and return a list.
+
+```py
+from itertools import chain, combinations
+
+def powerset(iterable):
+  s = list(iterable)
+  return list(chain.from_iterable(combinations(s, r) for r in range(len(s)+1)))
+```
+
+```py
+powerset([1, 2]) # [(), (1,), (2,), (1, 2)]
+```