From b2fe275aa4486cfcb54e8149878402f64b0c84dd Mon Sep 17 00:00:00 2001
From: brian cully <bjc@spork.org>
Date: Mon, 29 Dec 2025 20:44:00 -0500
Subject: wasm: string interpolation

---
 src/lib.rs         | 12 ++++--------
 src/point.rs       |  8 ++++----
 src/render_loop.rs |  4 ++--
 3 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 71f0afd..6d45990 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -102,7 +102,7 @@ pub fn init() -> JSResult<()> {
     });
 
     let dot_count_handler: HandlerClosure = Closure::new(move |e| {
-        debug!("dot count changed {:?} - {}", e, dots_val()?);
+        debug!("dot count changed {e:?} - {}", dots_val()?);
         let mut s = s2.borrow_mut();
         s.set_dot_count(dots_val()?);
         s.render_frame(0.0)?;
@@ -114,7 +114,7 @@ pub fn init() -> JSResult<()> {
     dot_count_handler.forget();
 
     let go_handler: HandlerClosure = Closure::new(move |e| {
-        debug!("go clicked: {:?}", e);
+        debug!("go clicked: {e:?}");
         let mut p = p1.lock().unwrap();
         *p = !*p;
         let text = if *p {
@@ -131,7 +131,7 @@ pub fn init() -> JSResult<()> {
     go_handler.forget();
 
     let bench_handler: HandlerClosure = Closure::new(move |e| {
-        debug!("bench clicked {:?}", e);
+        debug!("bench clicked {e:?}");
 
         let iters = iters()?
             .value()
@@ -159,11 +159,7 @@ pub fn init() -> JSResult<()> {
         let iters_per_ms = Into::<f64>::into(iters) / delta;
 
         results()?.set_text_content(Some(
-            format!(
-                "{} iters in {:0.2} ms ({:0.2} iters per ms)",
-                iters, delta, iters_per_ms
-            )
-            .as_str(),
+            format!("{iters} iters in {delta:0.2} ms ({iters_per_ms:0.2} iters per ms)").as_str(),
         ));
         Ok(())
     });
diff --git a/src/point.rs b/src/point.rs
index 18d3d5f..34cdb69 100644
--- a/src/point.rs
+++ b/src/point.rs
@@ -3,12 +3,12 @@ use crate::state::{MAX_SPEED, TAU};
 const POINT_RADIUS: f64 = 0.01;
 
 fn rand_color() -> String {
-    format!(
-        "rgb({} {} {})",
+    let [r, g, b] = [
         fastrand::u8(0..255),
         fastrand::u8(0..255),
-        fastrand::u8(0..255)
-    )
+        fastrand::u8(0..255),
+    ];
+    format!("rgb({r} {g} {b})",)
 }
 
 #[derive(Clone, Debug)]
diff --git a/src/render_loop.rs b/src/render_loop.rs
index 2dd0f9d..e00828b 100644
--- a/src/render_loop.rs
+++ b/src/render_loop.rs
@@ -31,11 +31,11 @@ impl RenderLoop {
         let rloop = inner.clone();
         let f = unsafe { &mut *inner.get() };
         *f = Closure::new(move |t| match fun(t) {
-            Err(e) => error!("render callback error: {:?}", e),
+            Err(e) => error!("render callback error: {e:?}"),
             Ok(true) => {
                 let cl = unsafe { &*rloop.get() };
                 if let Err(e) = Self::request_animation_frame(cl) {
-                    error!("couldn't request animation frame: {:?}", e);
+                    error!("couldn't request animation frame: {e:?}");
                 }
             }
             Ok(false) => {}
-- 
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