What is the each_byte method in Ruby?
Overview
The each_byte method in Ruby is used to pass the byte representation of each character in a string to a block.
A block is a loop in Ruby. It takes a single parameter. In this case, it takes the byte representation of each character that makes up a string.
String
str.each_byte { |b| block }
Parameters
-
str: This is the string that contains the characters whose bytes we want to pass to the block. -
b: This is the parameter we pass to the block of oureach_bytemethod. It represents the byte representation of each character of the stringstr.
Return value
The value returned is the bytes of each character that makes up a string.
Code
# create some stringsstr1 = "Edpresso"# print each byte# reprentation of a characterstr1.each_byte {|b| puts b}
Explanation
In the code given above, we were able to print the byte of each character of the string str1.
As is shown in output, the character "E" has a byte representation of 69, the character "d" has a byte representation of 100, and so on. Additionally, "s" has a string representation of 115, which we print twice in the code above.
