0-length element bug for backbone

PoisotLab · Nov 3, 2021 · 58f0dae · 58f0dae · tpoisot · Nov 3, 2021
1 parent b1a5953
commit 58f0dae
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/Project.toml b/Project.toml
@@ -1,7 +1,7 @@
 name = "Mangal"
 uuid = "b8b640a6-63d9-51e6-b784-5033db27bef2"
 authors = ["Timothée Poisot <[email protected]>"]
-version = "0.4.1"
+version = "0.4.2"
 
 [deps]
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"

diff --git a/src/backbone.jl b/src/backbone.jl
@@ -4,5 +4,6 @@
 Returns the backbone entry for a taxon, matched by *exact* name.
 """
 function backbone(name::AbstractString)
-    return first(backbones(Pair("name", name)))
+    q = backbones(Pair("name", name))
+    return isequal(1)(length(q)) ? only(q) : nothing
 end