From 82ba8386147f6b60d0dc58dd868f941e2d2bf4ce Mon Sep 17 00:00:00 2001
From: "Thomas A. Christensen II" <25492070+MillironX@users.noreply.github.com>
Date: Tue, 3 Jan 2023 20:01:13 -0600
Subject: [PATCH] Add docstring for `mutation(::Edit)`

---
 src/Edit.jl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Edit.jl b/src/Edit.jl
index 9ad5893..77c7dc6 100644
--- a/src/Edit.jl
+++ b/src/Edit.jl
@@ -42,6 +42,12 @@ function Base.parse(::Type{<:Edit{Se,Sy}}, s::Union{String,SubString{String}}) w
     end
 end
 
+"""
+    _mutation(e::Edit)
+
+Returns the underlying [`Substitution`](@ref), [`Insertion`](@ref), or [`Deletion`](@ref) of
+`e`.
+"""
 _mutation(e::Edit) = e.x
 BioGenerics.leftposition(e::Edit) = e.pos
 function BioGenerics.rightposition(e::Edit)