From f8540755f561a52f20b6cecd8d8aa322ddd01fa5 Mon Sep 17 00:00:00 2001
From: ConnorSkees <39542938+ConnorSkees@users.noreply.github.com>
Date: Mon, 20 Apr 2020 02:19:54 -0400
Subject: [PATCH] better support for unary plus

---
 src/value/parse.rs   | 4 ++++
 tests/subtraction.rs | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/src/value/parse.rs b/src/value/parse.rs
index 47bd750..df55e91 100644
--- a/src/value/parse.rs
+++ b/src/value/parse.rs
@@ -305,6 +305,10 @@ fn single_value<I: Iterator<Item = IntermediateValue>>(
                     span: op.span.merge(val.span),
                 }
             }
+            Op::Plus => {
+                devour_whitespace(iter);
+                single_value(iter, scope, super_selector, span)?
+            }
             _ => todo!(),
         },
         IntermediateValue::Whitespace => unreachable!(),
diff --git a/tests/subtraction.rs b/tests/subtraction.rs
index f6a3e0d..2d5ed03 100644
--- a/tests/subtraction.rs
+++ b/tests/subtraction.rs
@@ -199,3 +199,8 @@ test!(
     "a {\n  color: 10-#{10};\n}\n",
     "a {\n  color: 10 -10;\n}\n"
 );
+test!(
+    plus_after_minus,
+    "a {\n  plus-after-minus: 1 - + 2;\n}\n",
+    "a {\n  plus-after-minus: -1;\n}\n"
+);