<p>A Read-Eval-Print Loop (REPL) is an interactive interpreter to a programming language.  It allows for simple experimentation with a language by bypassing the compile stage of the "code -&gt; compile -&gt; execute" cycle.</p>
<p>There are 4 components to a REPL:</p>
<ul>
<li>A read function, which reads input from the keyboard</li>
<li>An eval function, which evaluates code passed to it</li>
<li>A print function, which formats and displays results</li>
<li>A loop function, which runs the three previous commands until termination</li>
</ul>


A Read-Eval-Print Loop (REPL) is an interactive interpreter to a programming language.  It allows for simple experimentation with a language by bypassing the compile stage of the "code -> compile -> execute" cycle.

There are 4 components to a REPL:

- A read function, which reads input from the keyboard
- An eval function, which evaluates code passed to it
- A print function, which formats and displays results
- A loop function, which runs the three previous commands until termination

A Read-Eval-Print Loop (REPL) is an interactive interpreter to a programming language.  It allows for simple experimentation with a language.

Raja Muhammad Asher

Raja Muhammad Asher

What is REPL?