Ruby Times Do

Syntax collection each do variable code end.

Ruby times do.

V 0 for i in 0 count 1 v 1 end puts v n3 time now usec compute millisecond timings. Use times iterator v 0 count times do v 1 end puts v n2 time now usec version 2. Repeating something many times6thinking like a programmer7object oriented programming download ebook ruby loops.

Usr bin env ruby 3 times do puts this will be printed 3 times end print enter a number. Puts n2 n1 1000 puts n3 n2 1000 output 750000 750000 61 time in ms. Repeating something many times in this lesson you ll learn 7 ways to write loops in ruby. The color of a ruby is due to the element chromium.

This method is intended for compatibility to character literals in ruby 1 9. In ruby arrays and hashes can be termed collections. If no block is given. We will be discussing two iterators here each and collect.

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. The word ruby comes from ruber latin for red. The loops in ruby are.

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. The only thing you have to do is to setup a loop to execute the same block of code a specified number of times. Num gets chomp to i num times do puts ruby is great end the each loop.

The each iterator returns all the elements of an array or a hash. Ruby program that benchmarks iterator for loop count 750000 n1 time now usec version 1. Static value int ord value num return num. The each loop is perhaps the most useful of all the loops.

1learning ruby2understanding variables3working with collections4if else conditional statements5ruby loops. You can type ten print statement but it is easier to use a loop. Let s look at these in detail. Iterates the given block int times passing in values from zero to int 1.

Ruby provides the different types of loop to handle the condition based situation in the program to make the programmers task simpler.