From 1f68f71ec24d3ec6b8e83411a6f1604277f9d493 Mon Sep 17 00:00:00 2001
From: flywind <xzsflywind@gmail.com>
Date: Sat, 11 Sep 2021 17:33:52 +0800
Subject: [PATCH] [minor] fix docs (#18834)

---
 lib/pure/collections/sets.nim | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/lib/pure/collections/sets.nim b/lib/pure/collections/sets.nim
index 3f91d9030a..7b1c58ac8c 100644
--- a/lib/pure/collections/sets.nim
+++ b/lib/pure/collections/sets.nim
@@ -603,12 +603,10 @@ proc isValid*[A](s: HashSet[A]): bool {.deprecated:
   ## Returns `true` if the set has been initialized (with `initHashSet proc
   ## <#initHashSet>`_ or `init proc <#init,HashSet[A]>`_).
   ##
-  ## **Examples:**
-  ##
-  ## .. code-block ::
-  ##   proc savePreferences(options: HashSet[string]) =
-  ##     assert options.isValid, "Pass an initialized set!"
-  ##     # Do stuff here, may crash in release builds!
+  runnableExamples:
+    proc savePreferences(options: HashSet[string]) =
+      assert options.isValid, "Pass an initialized set!"
+      # Do stuff here, may crash in release builds!
   result = s.data.len > 0