From ea6f2e340b67b5993790dda4eb870cd09f4144b2 Mon Sep 17 00:00:00 2001
From: matthias314 <matthias314@posteo.net>
Date: Mon, 2 Sep 2024 09:10:34 -0400
Subject: [PATCH] defined generic `in` in terms of `any`

---
 base/operators.jl | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/base/operators.jl b/base/operators.jl
index d01902e302359..98066d2367aad 100644
--- a/base/operators.jl
+++ b/base/operators.jl
@@ -1356,18 +1356,7 @@ used to implement specialized methods.
 """
 in(x) = Fix2(in, x)
 
-function in(x, itr::Any)
-    anymissing = false
-    for y in itr
-        v = (y == x)
-        if ismissing(v)
-            anymissing = true
-        elseif v
-            return true
-        end
-    end
-    return anymissing ? missing : false
-end
+in(x, itr::Any) = any(==(x), itr)
 
 # Specialized variant of in for Tuple, which can generate typed comparisons for each element
 # of the tuple, skipping values that are statically known to be != at compile time.