From 91a73d86d60841acce94803c1105a54e0c67d5b8 Mon Sep 17 00:00:00 2001
From: printfn <printfn@users.noreply.github.com>
Date: Fri, 15 Mar 2024 11:36:44 +0000
Subject: [PATCH] Add rack units (U)

---
 core/src/units/builtin.rs       | 2 ++
 core/tests/integration_tests.rs | 5 +++++
 2 files changed, 7 insertions(+)

diff --git a/core/src/units/builtin.rs b/core/src/units/builtin.rs
index dd07a84f..225c2658 100644
--- a/core/src/units/builtin.rs
+++ b/core/src/units/builtin.rs
@@ -588,6 +588,8 @@ const IMPERIAL_UNITS: &[UnitTuple] = &[
 	("ramsdens_chain", "", "l@5 rope", ""),
 	("roman_mile", "roman_miles", "l@50 ramsdens_chain", ""),
 	("gunters_chain", "gunters_chains", "l@4 rod", ""),
+	("rack_unit", "rack_units", "l@1.75 inches", ""),
+	("U", "", "rack_unit", ""),
 ];
 
 const LIQUID_UNITS: &[UnitTuple] = &[
diff --git a/core/tests/integration_tests.rs b/core/tests/integration_tests.rs
index 018c8017..9da48c67 100644
--- a/core/tests/integration_tests.rs
+++ b/core/tests/integration_tests.rs
@@ -5940,3 +5940,8 @@ fn test_roman() {
 		Some("100001 must lie in the interval [1, 100000]"),
 	);
 }
+
+#[test]
+fn rack_unit() {
+	test_eval("4U to cm", "17.78 cm");
+}