From f10efec21d6f05196457ea76d9de64a835aad437 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Mon, 16 Oct 2023 15:57:18 -0400
Subject: [PATCH] No performance change switching affiliated_key to using
 element macro.

---
 src/parser/keyword.rs | 12 +++++++-----
 src/parser/macros.rs  |  5 +++++
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/parser/keyword.rs b/src/parser/keyword.rs
index 2ff7566..a7ac6ae 100644
--- a/src/parser/keyword.rs
+++ b/src/parser/keyword.rs
@@ -27,6 +27,7 @@ use crate::context::RefContext;
 use crate::error::CustomError;
 use crate::error::MyError;
 use crate::error::Res;
+use crate::parser::macros::element;
 use crate::parser::util::start_of_line;
 use crate::types::AffiliatedKeywords;
 use crate::types::Keyword;
@@ -151,11 +152,12 @@ fn affiliated_key<'b, 'g, 'r, 's>(
     context: RefContext<'b, 'g, 'r, 's>,
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, OrgSource<'s>> {
-    alt((
-        parser_with_context!(dual_affiliated_key)(context),
-        parser_with_context!(plain_affiliated_key)(context),
-        export_keyword,
-    ))(input)
+    element!(dual_affiliated_key, context, input);
+    element!(plain_affiliated_key, context, input);
+    element!(export_keyword, input);
+    Err(nom::Err::Error(CustomError::MyError(MyError(
+        "No affiliated key.",
+    ))))
 }
 
 #[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
diff --git a/src/parser/macros.rs b/src/parser/macros.rs
index ea81c4e..f33cf04 100644
--- a/src/parser/macros.rs
+++ b/src/parser/macros.rs
@@ -35,6 +35,11 @@ macro_rules! element {
             return Ok((remaining, ele));
         }
     };
+    ($parser:expr, $input: expr) => {
+        if let Ok((remaining, ele)) = $parser($input) {
+            return Ok((remaining, ele));
+        }
+    };
 }
 
 pub(crate) use element;