From 4dcfa9ce8074dfdc75a984a966d74269dc9764cb Mon Sep 17 00:00:00 2001
From: MilesCranmer <miles.cranmer@gmail.com>
Date: Thu, 1 Aug 2024 17:14:29 +0100
Subject: [PATCH] fix: ensure `Type{F}` always propagated, matching old
 `Fix1/Fix2`

---
 base/operators.jl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/base/operators.jl b/base/operators.jl
index bee2949e4918f3..c24da9719c8d55 100644
--- a/base/operators.jl
+++ b/base/operators.jl
@@ -1170,13 +1170,13 @@ struct Fix{N,F,T} <: Function
     f::F
     x::T
 
-    function Fix{N}(f::F, x) where {N,F}
+    function Fix{N}(f::Union{F,Type{F}}, x) where {N,F}
         if !(N isa Int)
             throw(ArgumentError(LazyString("expected type parameter in `Fix` to be `Int`, but got `", N, "::", typeof(N), "`")))
         elseif N < 1
             throw(ArgumentError(LazyString("expected `N` in `Fix{N}` to be integer greater than 0, but got ", N)))
         end
-        new{N,_stable_typeof(f),_stable_typeof(x)}(f, x)
+        new{N,F,_stable_typeof(x)}(f, x)
     end
 end