to_i method

to_i method

** A method that a string has. It converts a character string to a number. ** ** By the way, the meaning of i in to_i is "integer". See the example below.

[Example] irb


#To the string "30"_Execute with i method
irb(main):001:0> "30".to_i
=> 30

If it is a non-numeric string, it will be converted to the number 0.

Let's run the following code in irb

Let's try the to_i method.

irb


# to_Convert a string to a number with i
irb(main):001:0> "100".to_i + 400
=> 500

Summary

** The to_i method is a method that converts a character string into a number. ** **

that's all.

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