Nest all content into snippets

snippets/python/s/check-prop.md

@@ -0,0 +1,23 @@
+---
+title: Check property
+type: snippet
+language: python
+tags: [function]
+cover: lake-trees
+dateModified: 2020-11-02T19:27:07+02:00
+---
+
+Creates a function that will invoke a predicate function for the specified property on a given dictionary.
+
+- Return a `lambda` function that takes a dictionary and applies the predicate function, `fn` to the specified property.
+
+```py
+def check_prop(fn, prop):
+  return lambda obj: fn(obj[prop])
+```
+
+```py
+check_age = check_prop(lambda x: x >= 18, 'age')
+user = {'name': 'Mark', 'age': 18}
+check_age(user) # True
+```