Check property

Python, Function · Nov 2, 2020

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

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