Tips for Maximizing Productivity in Elixir's Interactive Shell (IEx)

2023/08/10

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The article provides a collection of tips for developers using Elixir's Interactive Shell (IEx) to maximize their productivity. The author starts by explaining how to launch an IEx shell and mentions that the tips are based on version 1.14.3. The first tip is about getting help within IEx, including accessing help for specific modules and functions. The second tip focuses on retrieving the value of past expressions, with a shortcut for accessing the value of the last expression. The third tip covers re-compiling a project or a specific module within IEx. The fourth tip introduces a search and complete command feature using Ctrl+r. The fifth tip addresses enabling shell history in IEx for preserving command history between sessions. The sixth tip highlights a special break trigger to force the shell to break out of any pending expression. Finally, the article mentions the .iex.exs file, which can be used to customize IEx behavior. These tips are valuable for Elixir developers who want to enhance their efficiency while working with IEx.