T16 Finance: market charts with kinds, volume, profile, studies, drawings, compare, alerts and sync (T16a–b); quotes, book, tape and DOM (T16c); order entry, blotter, risk, options and payoff (T16d); markets, calendars, portfolio and wallet (T16e); typography::Ellipsis ends lines that gpui's truncate clipped; chart notes stack and ticks label round values

examples/gallery/ui.rs

@@ -94,3 +94,14 @@ pub fn set<T: 'static>(state: &Entity<T>, value: T, cx: &mut App) {
         cx.notify();
     });
 }
+
+/// A steady pseudo-random series, so captures repeat.
+pub fn noise(seed: u64) -> impl FnMut() -> f64 {
+    let mut state = seed;
+    move || {
+        state = state
+            .wrapping_mul(6364136223846793005)
+            .wrapping_add(1442695040888963407);
+        (state >> 33) as f64 / (1u64 << 31) as f64
+    }
+}