I was reading through getwoven’s infer code on GitHub and noticed a nice use of
partial to tidy tests.
Frequently there’ll be a function under test that will be provided multiple inputs with perhaps only a single parameter value changing per example. Using
partial you can build a function that closes over it’s variable arguments letting you tidy up the call to the single (varying) parameter.
The example I found was in infer’s
sparse_classification_test.clj but I’ve written a quick gist to demonstrate the point: