SMRTR ProgrammingMar 6, 2025Hacker News

Shelgon: A Framework for Building Interactive REPL Shells in Rust

SMRTR summary

Shelgon is a Rust framework for building interactive REPL applications and custom shells. It offers type-safe command execution, async runtime integration using tokio, and a terminal UI powered by ratatui. Key features include rich input handling with command history and tab completion, custom context support, and STDIN handling for multi-line input. Developers can easily create their own shells by defining an executor, implementing command logic, and adding tab completion. The framework is open-source and welcomes contributions through GitHub pull requests.

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