From 0bcc3d9dc6571d375cdf08e2f63af3579558d435 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Sun, 11 Dec 2022 00:39:35 -0500
Subject: [PATCH] Borrow the context instead of clone it for fewer reference
 count increments.

---
 src/parser/parser_with_context.rs |  2 +-
 src/parser/text_element_parser.rs | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/parser/parser_with_context.rs b/src/parser/parser_with_context.rs
index 4506d648..e5d60862 100644
--- a/src/parser/parser_with_context.rs
+++ b/src/parser/parser_with_context.rs
@@ -1,6 +1,6 @@
 macro_rules! parser_with_context {
     ($target:ident) => {
-        move |context| move |i| $target(&context, i)
+        move |context| move |i| $target(context, i)
     };
 }
 pub(crate) use parser_with_context;
diff --git a/src/parser/text_element_parser.rs b/src/parser/text_element_parser.rs
index b4404a5e..5ba26c54 100644
--- a/src/parser/text_element_parser.rs
+++ b/src/parser/text_element_parser.rs
@@ -107,7 +107,7 @@ where
 pub fn document(input: &str) -> Res<&str, Vec<(Vec<TextElement>, &str)>> {
     let initial_context: ContextTree<'_, '_> = ContextTree::new();
     let paragraph_parser = parser_with_context!(paragraph);
-    let ret = many1(paragraph_parser(initial_context))(input);
+    let ret = many1(paragraph_parser(&initial_context))(input);
     ret
 }
 
@@ -157,8 +157,8 @@ fn flat_text_element<'s, 'r>(
 ) -> Res<&'s str, TextElement<'s>> {
     not(|i| context.check_fail_matcher(i))(i)?;
 
-    let bold_matcher = parser_with_context!(flat_bold)(context.clone());
-    let link_matcher = parser_with_context!(flat_link)(context.clone());
+    let bold_matcher = parser_with_context!(flat_bold)(&context);
+    let link_matcher = parser_with_context!(flat_link)(&context);
 
     alt((
         map(bold_matcher, TextElement::Bold),
@@ -177,7 +177,7 @@ fn recognize_bold_end(input: &str) -> Res<&str, &str> {
 }
 
 fn flat_bold<'s, 'r>(context: Context<'r, 's>, i: &'s str) -> Res<&'s str, Bold<'s>> {
-    let bold_start = parser_with_context!(context_bold_start)(context.clone());
+    let bold_start = parser_with_context!(context_bold_start)(&context);
     let nom_context =
         context.with_additional_node(ContextElement::FailMatcherNode(FailMatcherNode {
             fail_matcher: ChainBehavior::AndParent(Some(&recognize_bold_end)),
@@ -199,7 +199,7 @@ fn flat_link<'s, 'r>(context: Context<'r, 's>, i: &'s str) -> Res<&'s str, Link<
             fail_matcher: ChainBehavior::AndParent(Some(&recognize_link_end)),
         }));
     // let nom_context = context.with_additional_fail_matcher(&recognize_link_end);
-    let text_element_parser = parser_with_context!(flat_text_element)(nom_context);
+    let text_element_parser = parser_with_context!(flat_text_element)(&nom_context);
     let (remaining, captured) = recognize(tuple((
         link_start,
         many_till(text_element_parser, link_end),