From bcad76396be5a6074b2d0ffa098cf435907c558a Mon Sep 17 00:00:00 2001
From: Ed Page <eopage@gmail.com>
Date: Thu, 21 Jul 2022 14:42:34 -0500
Subject: [PATCH] fix!: Remove ErrorKind::ArgumentNotFound

This existed for `value_of_t` and isn't needed anymore
---
 src/error/kind.rs |  8 --------
 src/error/mod.rs  | 11 -----------
 2 files changed, 19 deletions(-)

diff --git a/src/error/kind.rs b/src/error/kind.rs
index 4c3dc48b..332c4ca1 100644
--- a/src/error/kind.rs
+++ b/src/error/kind.rs
@@ -374,13 +374,6 @@ pub enum ErrorKind {
     /// ```
     DisplayVersion,
 
-    /// Occurs when using the [`ArgMatches::value_of_t`] and friends to convert an argument value
-    /// into type `T`, but the argument you requested wasn't used. I.e. you asked for an argument
-    /// with name `config` to be converted, but `config` wasn't used by the user.
-    ///
-    /// [`ArgMatches::value_of_t`]: crate::ArgMatches::value_of_t()
-    ArgumentNotFound,
-
     /// Represents an [I/O error].
     /// Can occur when writing to `stderr` or `stdout` or reading a configuration file.
     ///
@@ -426,7 +419,6 @@ impl ErrorKind {
             Self::DisplayHelp => None,
             Self::DisplayHelpOnMissingArgumentOrSubcommand => None,
             Self::DisplayVersion => None,
-            Self::ArgumentNotFound => Some("An argument wasn't found"),
             Self::Io => None,
             Self::Format => None,
         }
diff --git a/src/error/mod.rs b/src/error/mod.rs
index a30419c9..c9cf8e3f 100644
--- a/src/error/mod.rs
+++ b/src/error/mod.rs
@@ -861,17 +861,6 @@ impl Error {
                     false
                 }
             }
-            ErrorKind::ArgumentNotFound => {
-                let invalid_arg = self.get_context(ContextKind::InvalidArg);
-                if let Some(ContextValue::String(invalid_arg)) = invalid_arg {
-                    c.none("The argument '");
-                    c.warning(invalid_arg.to_string());
-                    c.none("' wasn't found");
-                    true
-                } else {
-                    false
-                }
-            }
             ErrorKind::DisplayHelp
             | ErrorKind::DisplayHelpOnMissingArgumentOrSubcommand
             | ErrorKind::DisplayVersion