Turns out |> has the same problem.

cristianoc · cristianoc · commit f02c4704fc63 · 2022-09-02T07:01:53.000+02:00
diff --git a/tests/printer/expr/expected/pipe.res.txt b/tests/printer/expr/expected/pipe.res.txt
@@ -1,2 +1,3 @@
 let s1 = x->foo
 let s2 = @ann foo(x)
+let s3 = x |> foo
diff --git a/tests/printer/expr/pipe.res b/tests/printer/expr/pipe.res
@@ -1,2 +1,3 @@
 let s1 = @ann (x->foo)
 let s2 = @ann (foo(x))
+let s3 = @ann (x|>foo)
