Optimize `.count() > 1` check (#1053)

This can be trivially optimized to `.nth(1).is_some()` which obviates evaluating every element in the iterator.

1 files changed, 1 insertions, 1 deletions

diff --git a/library/src/math/ctx.rs b/library/src/math/ctx.rs
index 562f0ba9..a6487476 100644
--- a/library/src/math/ctx.rs
+++ b/library/src/math/ctx.rs
@@ -155,7 +155,7 @@ impl<'a, 'b, 'v> MathContext<'a, 'b, 'v> {
             FrameFragment::new(self, frame).into()
         } else {
             // Anything else is handled by Typst's standard text layout.
-            let spaced = text.graphemes(true).count() > 1;
+            let spaced = text.graphemes(true).nth(1).is_some();
             let mut style = self.style;
             if self.style.italic == Smart::Auto {
                 style = style.with_italic(false);