Erlang - byte_size

This method returns the number of bytes contained in a Bitstring.

Syntax

byte_size(bitstring)

Parameters

• bitstring − This is the btistring for which the number of bytes need to be determined.

Return Value

The method returns the number of bytes contained in a Bitstring.

For example

-module(helloworld). 
-export([start/0]). 

start() -> 
   io:fwrite("~p~n",[byte_size(<<1,2,3>>)]).

Output

When we run the above program we will get the following result.

3