Basics
Elixir Errors
Handling Elixir Errors
Elixir errors use try-rescue with pattern-matched exceptions.
Introduction to Elixir Errors
In Elixir, error handling is a crucial part of writing robust applications. The try-rescue construct allows developers to manage exceptions effectively. Understanding how to use try-rescue with pattern-matched exceptions is essential for Elixir developers.
Using try-rescue in Elixir
The try-rescue
block is used to handle exceptions that might occur during the execution of a block of code. The general syntax is:
Pattern-Matching Exceptions
Elixir supports pattern matching within the rescue block, allowing you to match specific error types. This is useful for handling different exceptions in different ways.
Handling Multiple Exceptions
Sometimes, you may need to handle multiple types of exceptions. You can do this by adding multiple clauses in the rescue
block to match different exception types.
Conclusion
Understanding how to handle errors with try-rescue
and pattern-matching in Elixir is essential for writing reliable and fault-tolerant applications. By effectively managing exceptions, you can ensure that your applications behave predictably even when errors occur.