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Editorial Team
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Asked: 2026-06-15T08:00:03+00:00

I saw a reference to creating a REPL. What is a REPL? var arDrone

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I saw a reference to creating a “REPL”. What is a REPL?

var arDrone = require('ar-drone');
var client  = arDrone.createClient();
client.createRepl();
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  1. Editorial Team

    Good information in the repl tag right here on Stack Overflow:

    About read-eval-print-loop

    A Read-Eval-Print Loop (REPL) is an interactive interpreter to a programming language. It originated with LISP systems, but many other languages (Python, Ruby, Haskell, Tcl, etc.) use REPL’s to manage interactive sessions. They allow for simple experimentation with a language by bypassing the compile stage of the "code -> compile -> execute" cycle.

    There are 4 components to a REPL (named in LISP notation):

    • 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
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