graphix-stdlib 0.3.1

A dataflow language for UIs and network programming, standard library
Documentation 
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use tui;
use tui::list;
use tui::text;

let selected_item = 0;
let items = [line("Item 1"), line("Item 2"), line("Item 3")];
let arrow_pressed = never();

// When user presses down arrow assume the event is handled as
// shown above and arrow_pressed is set using connect
selected_item <- arrow_pressed ~ ((selected_item + 1) % array::len(items));

// UI automatically reflects the change
list(#selected: &selected_item, &items)