From 3c1c55038f2a77165838cccadbfde05ff40343ef Mon Sep 17 00:00:00 2001
From: ConnorSkees <39542938+ConnorSkees@users.noreply.github.com>
Date: Sun, 24 May 2020 12:19:08 -0400
Subject: [PATCH] better handle multiline errors

this is more of a quick fix for potential panics; it does not
properly substitute for real multiline error messages
---
 src/error.rs | 2 +-
 tests/if.rs  | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/error.rs b/src/error.rs
index 840c753..bc6db85 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -66,7 +66,7 @@ impl Display for SassError {
             "{}| {}{}",
             padding,
             vec![' '; loc.begin.column].iter().collect::<String>(),
-            vec!['^'; loc.end.column - loc.begin.column]
+            vec!['^'; loc.end.column.max(loc.begin.column) - loc.begin.column.min(loc.end.column)]
                 .iter()
                 .collect::<String>()
         )?;
diff --git a/tests/if.rs b/tests/if.rs
index 13f8add..34bb47c 100644
--- a/tests/if.rs
+++ b/tests/if.rs
@@ -130,3 +130,4 @@ error!(unclosed_dbl_quote, "@if true \" {}", "Error: Expected \".");
 error!(unclosed_sgl_quote, "@if true ' {}", "Error: Expected '.");
 error!(unclosed_call_args, "@if a({}", "Error: expected \")\".");
 error!(nothing_after_div, "@if a/", "Error: Expected expression.");
+error!(multiline_error, "@if \"\n\"{}", "Error: Expected \".");