Working now that we use clone and manually instantiate it.

src/parser/nom_context.rs

@@ -8,6 +8,7 @@ use std::rc::Rc;
 pub struct NomContext<F>
 where
     F: for<'a> FnMut(&'a str) -> IResult<&'a str, &'a str, VerboseError<&'a str>>,
+    F: Clone,
 {
     pub fail_matcher: F,
 
@@ -37,20 +38,17 @@ where
         }
     }
 
-    pub fn with_additional_fail_matcher<G>(
+    // pub fn with_additional_fail_matcher<G, O>(self, additional_fail_matcher: G) -> NomContext<O>
-        self,
+    // where
-        additional_fail_matcher: G,
+    //     G: for<'g> FnMut(&'g str) -> IResult<&'g str, &'g str, VerboseError<&'g str>>,
-    ) -> NomContext<impl (for<'b> FnMut(&'b str) -> IResult<&'b str, &'b str, VerboseError<&'b str>>)>
+    //     G: Clone,
-    where
+    //     O: for<'o> FnMut(&'o str) -> IResult<&'o str, &'o str, VerboseError<&'o str>>,
-        G: for<'b> FnMut(&'b str) -> IResult<&'b str, &'b str, VerboseError<&'b str>>,
-        G: Clone,
-        // O: for<'b> FnMut(&'b str) -> IResult<&'b str, &'b str, VerboseError<&'b str>>,
     //     O: Clone,
-    {
+    // {
-        NomContext {
+    //     NomContext {
-            fail_matcher: alt((additional_fail_matcher, self.fail_matcher)),
+    //         fail_matcher: move |i| alt((additional_fail_matcher, self.fail_matcher))(i),
-            can_match_bold: self.can_match_bold,
+    //         can_match_bold: self.can_match_bold,
-            can_match_link: self.can_match_link,
+    //         can_match_link: self.can_match_link,
-        }
+    //     }
-    }
+    // }
 }

src/parser/text_element_parser.rs

@@ -26,7 +26,8 @@ pub fn flat_text_element<'a, F>(
     context: &mut NomContext<F>,
 ) -> Res<&'a str, TextElement<'a>>
 where
-    F: for<'b> FnMut(&'b str) -> IResult<&'b str, &'b str, VerboseError<&'b str>>,
+    F: for<'b> FnMut(&'b str) -> IResult<&'b str, &'b str, VerboseError<&'b str>>
+        + std::clone::Clone,
 {
     not(&mut context.fail_matcher)(i)?;
     if context.can_match_bold {
@@ -59,7 +60,11 @@ where
     F: Clone,
 {
     not(&mut context.fail_matcher)(i)?;
-    let new_context = context.without_bold();
+    let mut old_fail_matcher_clone = context.fail_matcher.clone();
+    let mut new_context =
+        NomContext::new(move |i| alt((recognize(bold_end), &mut old_fail_matcher_clone))(i));
+    new_context.can_match_bold = context.can_match_bold;
+    new_context.can_match_link = context.can_match_link;
     let text_element_parser = parser_with_context!(flat_text_element)(new_context);
     map(
         recognize(tuple((