4.9 Add number to string using to_s
I’m printing the age of Ruby in this example.
If I try to split the
puts statement then I will get an error.
Execute the below code and see the error for yourself.
The error message says that
no implicit conversion of Integer into String.
In simple english, Ruby is trying to say that we cannot add an integer with a string.
If we want to add an integer to a string
then first we need to convert
the integer to a string.
Ruby provides method
to_s to convert an integer to string.
to_s stands for “to string”.
to_s this time.
Now let’s run the code.