Ruby Times Do

You can type ten print statement but it is easier to use a loop.

Ruby times do.

V 0 for i in 0 count 1 v 1 end puts v n3 time now usec compute millisecond timings. Each loop will take a list of variables and run a block of statements for each of them. Puts n2 n1 1000 puts n3 n2 1000 output 750000 750000 61 time in ms. The each loop is perhaps the most useful of all the loops.

It iterates over a specific range of numbers. The each iterator returns all the elements of an array or a hash. For instance you want to print a string ten times. Ruby provides the different types of loop to handle the condition based situation in the program to make the programmers task simpler.

Repeating something many times in this lesson you ll learn 7 ways to write loops in ruby. Ruby program that benchmarks iterator for loop count 750000 n1 time now usec version 1. The only thing you have to do is to setup a loop to execute the same block of code a specified number of times. Let s look at these in detail.

1learning ruby2understanding variables3working with collections4if else conditional statements5ruby loops. The loops in ruby are. We will be discussing two iterators here each and collect.

Use times iterator v 0 count times do v 1 end puts v n2 time now usec version 2. The word ruby comes from ruber latin for red. If no block is given. Syntax collection each do variable code end.

Iterates the given block int times passing in values from zero to int 1. This method is intended for compatibility to character literals in ruby 1 9. Iterators return all the elements of a collection one after the other. For loop is preferred when the number of times loop statements are to be executed is known beforehand.

Static value int ord value num return num. Repeating something many times6thinking like a programmer7object oriented programming download ebook ruby loops. The color of a ruby is due to the element chromium. A ruby is a pink to blood red coloured gemstone a variety of the mineral corundum aluminium oxide other varieties of gem quality corundum are called sapphires ruby is one of the traditional cardinal gems together with amethyst sapphire emerald and diamond.

For example a ord returns 97 both in 1 8 and 1 9.