Array Methods

Question 1

what does Array#each_slice do?

Answer 1

it splices the array into slices of length n

Question 2

how would you split an array into slices of a fixed length?

Answer 2

Array#each_slice

Question 3

what does Array#each_cons do?

Answer 3

it will run a window of length n over an array, returning each slice that the window covers.

[0,1,2,3,4].each_cons(2) will return [[0,1],[1,2],[2,3],[3,4]]

Question 4

how do you find all left-to-right says of numbers in an array, given length n?

Answer 4

Array#each_cons