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== Code Evaluation == Code evaluation is an integral part of the development process in the Elixir programming language. It involves running and testing code to ensure its correctness and functionality. Elixir provides various tools and techniques for code evaluation, allowing developers to thoroughly examine and validate their code. === Interactive Shell (IEx) === One of the primary tools for code evaluation in Elixir is the Interactive Shell, commonly known as IEx. It provides a convenient and interactive environment for executing Elixir code snippets, exploring modules and functions, and debugging. IEx allows developers to write and execute code directly in the terminal, providing real-time feedback on the results. It supports evaluating individual expressions, defining functions and modules, and even loading entire code files. === Evaluating Code in Modules === Elixir allows developers to define modules that encapsulate related functions and data. These modules can be evaluated and tested within the Elixir environment. Developers can define various functions within a module and evaluate them individually or as a whole. This allows for easy testing and verification of the code's behavior, ensuring that it meets the desired requirements. === Unit Testing === Elixir provides a built-in unit testing framework called ExUnit. It allows developers to write automated tests for their code, ensuring that it functions correctly and produces expected results. With ExUnit, developers can define test cases that evaluate specific functions or sections of code. These test cases can be run individually or as a suite to validate the code's correctness. ExUnit provides various assertions and matchers to verify expected output, making it easier to write comprehensive and reliable tests. === Property-Based Testing === In addition to unit testing, Elixir also supports property-based testing through libraries like StreamData. Property-based testing allows developers to specify properties that should hold true for their code, and automated test cases are then generated to verify these properties across a range of inputs. Property-based testing provides a more systematic approach to code evaluation by examining multiple input values. It helps uncover edge cases, identify potential bugs, and ensure the robustness of the code. === Documentation and Examples === Documenting code and providing examples are essential for code evaluation and understanding. Elixir supports built-in documentation tools like ExDoc, allowing developers to generate documentation directly from the code. Developers can add documentation comments to their code, providing explanations, usage instructions, and examples. These comments can be processed by ExDoc to generate HTML-based documentation, which can then be easily accessed and referred to. == See Also == * [[Unit Testing in Elixir]] * [[Property-Based Testing in Elixir]] * [[Interactive Shell (IEx)]] * [[ExDoc: Elixir Documentation Generator]] == References == <references /> [[Category:Elixir Programming Language]] [[Category:Development Tools]]
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