From f550d820b0e417b9e3d0dbe4c3e62b2a516e8ba5 Mon Sep 17 00:00:00 2001
From: ConnorSkees <39542938+ConnorSkees@users.noreply.github.com>
Date: Sun, 16 Feb 2020 22:49:19 -0500
Subject: [PATCH] change-color() hue error message

---
 src/builtin/color/other.rs | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/builtin/color/other.rs b/src/builtin/color/other.rs
index 0bc913b..e9bacd1 100644
--- a/src/builtin/color/other.rs
+++ b/src/builtin/color/other.rs
@@ -58,11 +58,9 @@ pub(crate) fn register(f: &mut BTreeMap<String, Builtin>) {
         }
 
         let hue = match arg!(args, -1, "hue"=Value::Null) {
-            Value::Dimension(n, Unit::None)
-            | Value::Dimension(n, Unit::Percent)
-            | Value::Dimension(n, Unit::Deg) => Some(n),
+            Value::Dimension(n, _) => Some(n),
             Value::Null => None,
-            _ => todo!("expected either unitless or % number for hue"),
+            v => return Err(format!("$hue: {} is not a number.", v).into()),
         };
 
         opt_arg!(args, saturation, "saturation", 0, 100);