This assumes you are trying to join an array of strings if you had an array of integers for instance than the e part would fail as there as the is not implemented for string integer.
Ruby join array with new line.
Array instance methods is shorthand for show source okket mar 16 14 at 0 17.
Submitted by hrithik chandra prasad on february 04 2020.
If the separator is nil it uses current.
This can condense and organize your code making it more readable and maintainable.
Join a b c.
Here we are going to learn about the array join method with examples in ruby programming language.
How to check if a value exists in an array in ruby.
A b c.
Pry with show source rocks.
If the separator is nil it uses current.
Join abc a b c.
Arrays let you store multiple values in a single variable.
How to check if an object is an array.
If both the separator and are nil it uses an empty string.
Join p1 v1 public returns a string created by converting each element of the array to a string separated by the given separator.
In this article we will study about array join method you all must be thinking the method must be doing something which is related to joining the array instance with something.
In array c the first thing ruby does is checking for a string type and then calling the join method.
If both the separator and are nil it uses an empty string.
Returns a string created by converting each element of the array to a string separated by the given separator.