As we have written 0.8 in place of expression. In the next step, we started the loop which will run the code till 8.First, we created a variable “name” and assigned the value “ranjan” to this variable.Here are the following examples mention below Example #1īelow is the first example for the Ruby for loop and we can explain the below code in the following steps. Loop will run for the numeric value of the length of the array of data.

Execution of a loop also depends on the data available inside the array or hash value(especially for each loop).If the condition is true it will enter into the loop and execute the code block and it will continue doing this till the condition is true.Here the condition is for a non-empty array. If the condition gets failed(condition=false) then the loop will be broken.Each time loops checks for the condition and available data inside the array or hash value.For Loops in ruby are based on the array of data or some hash value.Working of the for loops in ruby can be explained in the below steps, In the case of numbers, it will iterate till the last number and in case of an array of data, it will iterate for all array data. The expression can be an array of data or numbers.It will continue until the condition is true, which means the array of data will empty.Here fail will happen if the array gets empty after looping on the array or reached to the last number. In case of a condition success(still, data is there) code block will execute and if the condition is false the loop will break.Basically this condition about checking if any data inside the array is available which has not been traversed. In the loop, there is a condition block which will check for the true or false condition.The first execution will start with passing the value for the loop in the form of expression(0.n).end: This keyword represents the ending of the ‘for‘ loop block which started from ‘do‘ keyword.īelow is the flow chart for the loop in the Ruby, we can explain the below loop in the following steps,.do: This is the optional attribute that will be used to specify the starting of the code which will repeatedly go to executes.expr: Expr is the expression that holds the array of the data and code will go through each attribute of the expr.in: This keyword is made specially in the ruby for the “for” loops which play a vital role in breaking the array of the data.They pay the role for the reference of the iteration of the current loop. name_of_variable: For the iteration of the loop these attributes are important.for: this is the ruby predefined keyword which will be used for the execution of the same piece of code, again and again, it indicates the start of any loop.

The explanation for the below syntax is given below, Below is the syntax for loops in Ruby, for name_of_variable in expr

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