pythonhacker/homogeneity.py

Created January 16, 2018 13:28

Star () You must be signed in to star a gist
Fork () You must be signed in to fork a gist

Learn more about clone URLs
Clone this repository at <script src="https://gist.github.com/pythonhacker/d17ac14d17b2ce11724ac10d1a5538bc.js"></script>
Save pythonhacker/d17ac14d17b2ce11724ac10d1a5538bc to your computer and use it in GitHub Desktop.

Download ZIP

Test homogeneity of a Python data structure using a one liner

Raw

homogeneity.py

	# For homogenous inputs, no assertion error

	def homogeneity(data):
	assert(len(dict(map(lambda x: (type(x), 1), data))) == 1)

Author

pythonhacker commented Dec 29, 2023

There are better versions of this as follows.

using set - assert(len(set(map(type, data))) == 1)
using dict but without a specific value - assert(len({}.fromkeys(map(type, data))) == 1)

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment