30-seconds-of-code/snippets/check_prop.md

title, tags, cover, firstSeen, lastUpdated

title	tags	cover	firstSeen	lastUpdated
Check property	function	lake-trees	2020-01-02T16:49:25+02:00	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