iris-aiandClaude Opus 5 8088a1fa59 Say why a reuse was refused, on every path that refuses one
Three of the eight rejections in `try_reuse` were invisible or half-visible
to the diagnostics: a changed inherited mask counted nothing and traced
nothing, an undrawn record traced without counting, and a changed
region-node choice counted without tracing. The mask one is the rejection
this branch's repair was about, so "why did that redraw?" was exactly the
question the rig could not answer.

Adding a counter meant editing a variant list and a name list at the same
index, which renames every total after a slip and says nothing. The two
lists are one declaration now.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-20 00:20:23 -04:00
2026-01-05 17:01:09 -05:00
2025-11-17 16:08:29 -05:00
2026-01-29 16:39:19 -05:00
2026-09-13 00:24:29 -04:00

iris

My experimental attempt at a rust ui library (also my first ui library).

It's currently designed around using retained data structures (widgets), rather than diffing generated trees from data like xilem or iced. This is an experiment and I'm not sure if it's a good idea or not.

Examples are in examples, eg. cargo run --example tabs.

Goals, in general order:

  1. does what I want it to (text, images, video, animations)
  2. very easy to use ignoring ergonomic ref counting
  3. reasonably fast / efficient (a lot faster than electron, save battery life, try to beat iced and xilem)

dev details

not targeting web rn cause wanna use actual nice gpu features & entire point of this is to make desktop apps / not need a web browser

general ideas trynna use rn / experiment with:

  • retained mode
  • specifically designed around wgpu so there's no translation
  • postfix functions for most things to prevent unreadable indentation (going very well)
  • events can be done directly where you draw the widgets
  • almost no macros in user code & actual LSP typechecking (variadic generics if you can hear me please save us)
  • relative anchor + absolute offset coord system (+ "rest" / leftover during widget layout)
  • single threaded ui & pass context around to make non async usage straightforward (pretty unsure about this)
  • widgets store outside of the actual rendering so they can be moved around and swapped easily (unsure about this but seems to work good for now)

under heavy initial development so not gonna try to explain status, maybe check TODO for that; sizable chance it gets a rewrite once I know everything I need and what seems to work best

it's called iris because it's the structure around what you actually want to display and colorful

S
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