From 8b7a2ecc2b80ca7717b65d1489c99f50a0bf0d10 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ciar=C3=A1n=20O=27Mara?= <Ciaran.OMara@utas.edu.au>
Date: Fri, 22 May 2020 12:11:46 +1000
Subject: [PATCH] Correct not found check

---
 src/bam/overlap.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bam/overlap.jl b/src/bam/overlap.jl
index bb7b3c1..c6cf8ac 100644
--- a/src/bam/overlap.jl
+++ b/src/bam/overlap.jl
@@ -47,7 +47,7 @@ end
 
 function Base.iterate(iter::OverlapIterator)
     refindex = findfirst(isequal(iter.refname), iter.reader.refseqnames)
-    if refindex == 0
+    if refindex === nothing
         throw(ArgumentError("sequence name $(iter.refname) is not found in the header"))
     end
     @assert iter.reader.index !== nothing