From 892dc85ed4bdae4b83218693ef6dc3726da80252 Mon Sep 17 00:00:00 2001
From: Filipp Molchanov <flymaipie@gmail.com>
Date: Fri, 15 Nov 2024 21:38:31 +0300
Subject: [PATCH] Fix documentation examples for casting empty values (#4550)

---
 lib/ecto/changeset.ex | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/lib/ecto/changeset.ex b/lib/ecto/changeset.ex
index cd0daeffe9..48e412baf5 100644
--- a/lib/ecto/changeset.ex
+++ b/lib/ecto/changeset.ex
@@ -664,21 +664,21 @@ defmodule Ecto.Changeset do
 
       # Using default
       iex> params = %{title: "", topics: []}
-      iex> changeset = cast(post, params, [:title, :topics])
-      iex> changeset.params
+      iex> changeset = cast(%Post{}, params, [:title, :topics])
+      iex> changeset.changes
       %{topics: []}
 
       # Changing default
       iex> params = %{title: "", topics: []}
-      iex> changeset = cast(post, params, [:topics], empty_values: [[], nil])
-      iex> changeset.params
+      iex> changeset = cast(%Post{}, params, [:title, :topics], empty_values: [[], nil])
+      iex> changeset.changes
       %{title: ""}
 
       # Augmenting default
       iex> params = %{title: "", topics: []}
       iex> changeset =
-      ...>   cast(post, params, [:topics], empty_values: [[], nil] ++ Ecto.Changeset.empty_values())
-      iex> changeset.params
+      ...>   cast(%Post{}, params, [:title, :topics], empty_values: [[], nil] ++ Ecto.Changeset.empty_values())
+      iex> changeset.changes
       %{}
 
   You can define a custom error message function.