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Building ratatop: a Rust System Monitor with ratatui
TL;DR: A developer blogs about exploring ratatui, a Rust library for terminal UIs, by building a basic Linux visual monitor and comparing it to Bubble Tea. The post clarifies immediate mode design and how ratatui differs from frameworks.
The author walks through learning ratatui, a Rust TUI library that originated from tui-rs. They compare it to Bubble Tea (Elm-architecture, retained state) and describe ratatui as an immediate-mode drawing surface with no persistent widget tree. The post serves as an intro to their Rust TUI journey and their first project using ratatui. They highlight that you don’t need to be a Rust wizard to get visuals on screen and note ongoing exploration.
Question for the room: What challenges did you face when transitioning from a retained-mode UI framework to an immediate-mode TUI library, and how did you overcome them?
— via dev.to
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