Implement the `accumulate` operation, which, given a collection and an operation to perform on each element of the collection, returns a new collection containing the result of applying that operation to each element of the input collection.
accumulate operation, which, given a collection and an
operation to perform on each element of the collection, returns a new
collection containing the result of applying that operation to each element of
the input collection.
Given the collection of numbers:
- 1, 2, 3, 4, 5
And the operation:
- square a number (
x => x * x)
Your code should be able to produce the collection of squares:
- 1, 4, 9, 16, 25
Check out the test suite to see the expected function signature.
Keep your hands off that collect/map/fmap/whatchamacallit functionality provided by your standard library! Solve this one yourself using other basic tools instead.
Running the test suite
The provided test suite uses Jasmine. You can install it by opening a terminal window and running the following command:
npm install -g jasmine
Run the test suite from the exercise directory with:
In many test suites all but the first test have been marked "pending".
Once you get a test passing, activate the next one by changing
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Submitting Incomplete Solutions
It's possible to submit an incomplete solution so you can see how others have completed the exercise.