From 4e6733fbe587b2117f5ff2fec3b9417e35cb8c95 Mon Sep 17 00:00:00 2001
From: Ed Page <eopage@gmail.com>
Date: Fri, 26 Aug 2022 13:52:32 -0500
Subject: [PATCH] fix(derive): Remove error case for default_value

---
 clap_derive/src/parse.rs                      |  6 ------
 .../default_value_wo_value_removed.rs         | 21 -------------------
 .../default_value_wo_value_removed.stderr     |  8 -------
 3 files changed, 35 deletions(-)
 delete mode 100644 tests/derive_ui/default_value_wo_value_removed.rs
 delete mode 100644 tests/derive_ui/default_value_wo_value_removed.stderr

diff --git a/clap_derive/src/parse.rs b/clap_derive/src/parse.rs
index 45e24d08..109b0eec 100644
--- a/clap_derive/src/parse.rs
+++ b/clap_derive/src/parse.rs
@@ -161,12 +161,6 @@ impl Parse for ClapAttr {
                 "external_subcommand" => Ok(ExternalSubcommand(name)),
                 "verbatim_doc_comment" => Ok(VerbatimDocComment(name)),
 
-                "default_value" => {
-                    abort!(name,
-                        "`#[clap(default_value)` attribute (without a value) has been replaced by `#[clap(default_value_t)]`.";
-                        help = "Change the attribute to `#[clap(default_value_t)]`";
-                    )
-                }
                 "default_value_t" => Ok(DefaultValueT(name, None)),
                 "default_value_os_t" => Ok(DefaultValueOsT(name, None)),
                 "about" => (Ok(About(name))),
diff --git a/tests/derive_ui/default_value_wo_value_removed.rs b/tests/derive_ui/default_value_wo_value_removed.rs
deleted file mode 100644
index 6cd5b1d1..00000000
--- a/tests/derive_ui/default_value_wo_value_removed.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-use clap::Parser;
-
-#[derive(Parser, Debug)]
-#[clap(name = "basic")]
-struct Opt {
-    #[clap(default_value)]
-    value: i32,
-}
-
-fn main() {
-    let opt = Opt::parse();
-    println!("{:?}", opt);
-}
diff --git a/tests/derive_ui/default_value_wo_value_removed.stderr b/tests/derive_ui/default_value_wo_value_removed.stderr
deleted file mode 100644
index 826afb06..00000000
--- a/tests/derive_ui/default_value_wo_value_removed.stderr
+++ /dev/null
@@ -1,8 +0,0 @@
-error: `#[clap(default_value)` attribute (without a value) has been replaced by `#[clap(default_value_t)]`.
-
-         = help: Change the attribute to `#[clap(default_value_t)]`
-
-  --> tests/derive_ui/default_value_wo_value_removed.rs:14:12
-   |
-14 |     #[clap(default_value)]
-   |            ^^^^^^^^^^^^^