From 0288135946eb66bcb4d33ba9202c2ff78ac71c34 Mon Sep 17 00:00:00 2001
From: Mao Zeng <zengmao@hotmail.co.uk>
Date: Tue, 27 Aug 2024 19:56:44 +0100
Subject: [PATCH] Remove method ambiguity in `isequal(::Symbolic, ::Missing)`.

---
 src/types.jl | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/types.jl b/src/types.jl
index 9761e309b..6dc2320e9 100644
--- a/src/types.jl
+++ b/src/types.jl
@@ -225,6 +225,8 @@ isdiv(x)  = isa_SymType(Val(:Div), x)
 
 Base.isequal(::Symbolic, x) = false
 Base.isequal(x, ::Symbolic) = false
+Base.isequal(::Symbolic, ::Missing) = false
+Base.isequal(::Missing, ::Symbolic) = false
 Base.isequal(::Symbolic, ::Symbolic) = false
 coeff_isequal(a, b) = isequal(a, b) || ((a isa AbstractFloat || b isa AbstractFloat) && (a==b))
 function _allarequal(xs, ys)::Bool