Elixir If And Unless: Expressions Not Statements
Mastering if & unless in Elixir: Understand them as expressions, use for simple conditions, prefer pattern matching & guards for clarity & readability.
Control structures are fundamental building blocks in Elixir, with if and unless being the most basic forms of flow control. Understanding how these structures work as expressions rather than statements is crucial for writing idiomatic Elixir code. Note: The examples in this article use Elixir 1.17.3. While most operations should work across different versions, some functionality might vary. Table of Contents Introduction Understanding If Expressions Unless Expressions Common Use Cases Combining with Pattern Matching Best Practices for Using If and Unless Conclusion Further Reading...