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Hello World in Elixir
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'''Hello World in Elixir''' Hello World programs are traditionally used to introduce beginners to a programming language. In Elixir, creating a Hello World program is simple. '''Example program:''' ```elixir # A Hello World program in Elixir IO.puts("Hello, World!") ``` The above program uses the `IO.puts/1` function to output the string "Hello, World!" to the console. `IO` is a module in the Elixir standard library that provides I/O operations. To run the program, save it with a .exs extension (e.g., hello.exs) and execute it using the Elixir compiler: ``` $ elixir hello.exs ``` The output will be: ``` Hello, World! ``` '''Explanation:''' The program starts with a comment that describes what the program does. Comments in Elixir start with the `#` character. The `IO.puts/1` function is used to print the string "Hello, World!" to the console. The `puts` function stands for "put string" and the `/1` indicates that it takes one argument. To run the program, the Elixir compiler (`elixir`) is used along with the filename of the program (`hello.exs`). The `.exs` extension is used for Elixir script files. Following the execution of the program, the string "Hello, World!" is displayed on the console. '''See also:''' * [[Introduction to Elixir]] * [[Elixir Syntax]] * [[Elixir Modules and Functions]] '''References:''' [link-to-reference1 Title of Reference 1] [link-to-reference2 Title of Reference 2]
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