An until statement s conditional is separated from code by the reserved word do a newline or a semicolon.
Ruby until loop.
Ruby until loop will executes the statements or code till the given condition evaluates to true.
An until loop s conditional is separated from code by the reserved word do a newline backslash or a semicolon.
The following script prints the numbers 1 through 10.
It is just opposite of the while loop which runs until the given condition evaluates to false.
The variable is incremented by one until its value equals ten.
It exits the loop when condition becomes true.
The until loop allows you to write code which is more readable and logical.
Like a while loop the do is optional.
End in the above outline expression is a ruby expression which must evaluate to true or false the ruby code here marker is where the code to executed is placed.
Inside the loop i 0 inside the loop i 1 inside the loop i 2 inside the loop i 3 inside the loop i 4 ruby until statement until conditional do code end executes code while conditional is false.
This example is the functional equivalent of the while loop example except using an until loop until i 10.
While expression do.
Basically it s just opposite to the while loop which executes until the given condition evaluates to false.
This code will be repeatedly executed until.
The ruby while loop is designed to repeat a task until a particular expression is evaluated to be false the syntax of a while loop is as follows.
The ruby until loop runs until the given condition evaluates to true.
The until loop executes while a condition is false.