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Methods

A collection of 11 issues

Hackerrank Lazy Evaluation Solution

Lazy evaluation is an evaluation strategy that delays the assessment of an expression until its value is needed. Ruby introduced a lazy enumeration feature. Lazy evaluation increases performance by avoiding needless calculations, and it has the ability to create potentially infinite data structures. Example: power_array = -> (power, array_

Hackerrank Ruby - Methods - Keyword Arguments Solution

In our previous challenge, we explored one way to pass a variable number of arguments to our methods. While it may seem handy feature to have, except few circumstances, you are never going to use that many variables for your method. Also, if your are passing several different types of

Hackerrank Ruby - Methods - Arguments Solution

In the previous challenge, we learned to use methods to abstract similar computations into logical chunks of code that otherwise would be difficult to manage. Methods, in a way, behave like a black box. The programmer works mainly on 1) inputs, 2) expected output, and 3) how it works. We

Hackerrank Currying Solution

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Hackerrank Partial Applications Solution

In Partial Application, we create a lambda that takes a parameter and returns a lambda that does something with it. Example: multiply_function = -> (number) do -> (another_number) do number * another_number end end doubler = multiply_function.(2) tripler = multiply_function.(3) puts doubler.(4) puts tripler.

Hackerrank Closures Solution

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Hackerrank Lambdas Solution

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Hackerrank Procs Solution

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Hackerrank Blocks Solution

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Hackerrank Ruby - Methods - Variable Arguments Solution

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