From cf5048205fae1bec8141c4df809164240ec12f25 Mon Sep 17 00:00:00 2001
From: JT <547158+jntrnr@users.noreply.github.com>
Date: Mon, 20 Dec 2021 06:25:02 +1100
Subject: [PATCH] Allow empty span slice for now (#529)

---
 crates/nu-protocol/src/span.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/crates/nu-protocol/src/span.rs b/crates/nu-protocol/src/span.rs
index 4196e751b3..1a5cf900f5 100644
--- a/crates/nu-protocol/src/span.rs
+++ b/crates/nu-protocol/src/span.rs
@@ -48,11 +48,13 @@ impl Span {
     }
 }
 
+/// Used when you have a slice of spans of at least size 1
 pub fn span(spans: &[Span]) -> Span {
     let length = spans.len();
 
     if length == 0 {
-        panic!("Internal error: tried to create a 0-length span")
+        // TODO: do this for now, but we might also want to protect against this case
+        Span { start: 0, end: 0 }
     } else if length == 1 {
         spans[0]
     } else {