ibunhabibu / enumerables Goto Github PK

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1. Create #my_each, a method that is identical to #each but (obviously) does not use #each. You’ll need to remember the yield statement. Make sure it returns the same thing as #each as well.
2. Create #my_each_with_index in the same way.
3. Create #my_select in the same way, though you may use #my_each in your definition (but not #each).
4. Create #my_all? (continue as above)
5. Create #my_any?
6. Create #my_none?
7. Create #my_count
8. Create #my_map
9. Create #my_inject
10. Test your #my_inject by creating a method called #multiply_els which multiplies all the elements of the array together by using #my_inject, e.g. multiply_els([2,4,5]) #=> 40
11. Modify your #my_map method to take a proc instead.

• Ruby

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This project is MIT licensed.