30-seconds-of-code/snippets/check-prop.md

title, type, tags, cover, dateModified

title	type	tags	cover	dateModified
Check property	snippet	function	lake-trees	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.

def check_prop(fn, prop):
  return lambda obj: fn(obj[prop])

check_age = check_prop(lambda x: x >= 18, 'age')
user = {'name': 'Mark', 'age': 18}
check_age(user) # True