From e7d68e85144b907198107d7970770eedc4f00a62 Mon Sep 17 00:00:00 2001
From: Bazaah <github@luxolus.com>
Date: Thu, 9 Sep 2021 12:14:50 +0000
Subject: [PATCH] scanner/error: add variant Extend

This variant suggests to the caller that they should extend the byte
stream before calling the Scanner again.
---
 src/scanner/error.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/scanner/error.rs b/src/scanner/error.rs
index 73ceb9c..a89773b 100644
--- a/src/scanner/error.rs
+++ b/src/scanner/error.rs
@@ -72,6 +72,10 @@ pub enum ScanError
 
     /// An integer overflowed
     IntOverflow,
+
+    /// The underlying buffer should be extended before
+    /// calling the Scanner again
+    Extend,
 }
 
 impl fmt::Display for ScanError