From 6dce47129786142d032d0bf2cc8151b6acc3b64f Mon Sep 17 00:00:00 2001
From: Kurt Lawrence <kurtlawrence92@gmail.com>
Date: Thu, 21 Dec 2023 08:42:54 +1000
Subject: [PATCH] Make OPoint call `T::fmt` to respect formatting modifiers
 (#1336)

---
 src/geometry/point.rs   | 5 +++--
 tests/geometry/point.rs | 8 ++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/geometry/point.rs b/src/geometry/point.rs
index 5ccb6279..789d2e6a 100644
--- a/src/geometry/point.rs
+++ b/src/geometry/point.rs
@@ -511,10 +511,11 @@ where
 
         let mut it = self.coords.iter();
 
-        write!(f, "{}", *it.next().unwrap())?;
+        <T as fmt::Display>::fmt(it.next().unwrap(), f)?;
 
         for comp in it {
-            write!(f, ", {}", *comp)?;
+            write!(f, ", ")?;
+            <T as fmt::Display>::fmt(comp, f)?;
         }
 
         write!(f, "}}")
diff --git a/tests/geometry/point.rs b/tests/geometry/point.rs
index 22b0f598..42adf118 100644
--- a/tests/geometry/point.rs
+++ b/tests/geometry/point.rs
@@ -92,3 +92,11 @@ fn to_homogeneous() {
 
     assert_eq!(a.to_homogeneous(), expected);
 }
+
+#[test]
+fn display_fmt_respects_modifiers() {
+    let p = Point3::new(1.23, 3.45, 5.67);
+    assert_eq!(&format!("{p}"), "{1.23, 3.45, 5.67}");
+    assert_eq!(&format!("{p:.1}"), "{1.2, 3.5, 5.7}");
+    assert_eq!(&format!("{p:.0}"), "{1, 3, 6}");
+}