Guile Hoot 0.2.0: Building Interactive Web Pages in Scheme
2025-05-28
Guile Hoot 0.2.0, a Scheme to WebAssembly GC compiler, has been released. This release introduces a Foreign Function Interface (FFI), enabling developers to write the majority of web application code directly in Scheme, minimizing reliance on JavaScript. The article demonstrates building interactive web pages using Scheme and the FFI, progressing from a simple "Hello, world!" to an interactive counter and finally a to-do list application. Leveraging Scheme's symbolic manipulation capabilities and SXML, it builds an efficient virtual DOM with a React-like diffing algorithm for updates.
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