From 73c2c2764f520e8e2b963bfae6b6371fd1c2c0fe Mon Sep 17 00:00:00 2001
From: "Thomas A. Christensen II" <25492070+MillironX@users.noreply.github.com>
Date: Mon, 11 Jul 2022 12:50:20 -0500
Subject: [PATCH] Add private reference base getter for Substitution

---
 src/SequenceVariation.jl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/SequenceVariation.jl b/src/SequenceVariation.jl
index aeae059..b7d6fb8 100644
--- a/src/SequenceVariation.jl
+++ b/src/SequenceVariation.jl
@@ -464,6 +464,10 @@ function variations(v::Variant)
     return vs
 end
 
+function _refbases(s::Substitution, reference::S, pos::UInt) where S <: BioSequence
+    return S([reference[pos]])
+end
+
 export Insertion,
     Deletion,
     Substitution,