From c560ed199a8b72793285a4f076868288a0a3bea9 Mon Sep 17 00:00:00 2001
From: Christian Rorvik <christian@graystonetrading.com>
Date: Wed, 13 Apr 2022 17:16:51 +0200
Subject: [PATCH] Fix type stability of Params.order

---
 src/compiler/interface.jl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/compiler/interface.jl b/src/compiler/interface.jl
index 38bc328e0..0319d5268 100644
--- a/src/compiler/interface.jl
+++ b/src/compiler/interface.jl
@@ -138,8 +138,8 @@ gradient
 Container for implicit parameters, used when differentiating
 a zero-argument funtion `() -> loss(A, B)` with respect to `A, B`.
 """
-struct Params
-  order::Buffer # {Any, Vector{Any}}
+struct Params{B <: Buffer}
+  order::B
   params::IdSet{Any} # TODO store ids only
 end