1 files changed, 4 insertions, 4 deletions
diff --git a/src/parser.rs b/src/parser.rs
index 3361baf..1e689ee 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -10,8 +10,8 @@ use crate::{Constructs, Options};
 /// Importantly, this contains a set of known definitions.
 /// It also references the input value as [`Code`][]s.
 #[derive(Debug)]
-pub struct ParseState {
-    pub constructs: Constructs,
+pub struct ParseState<'a> {
+    pub constructs: &'a Constructs,
     /// List of codes.
     pub codes: Vec<Code>,
     /// Set of defined identifiers.
@@ -21,9 +21,9 @@ pub struct ParseState {
 /// Turn a string of markdown into events.
 ///
 /// Passes the codes back so the compiler can access the source.
-pub fn parse(value: &str, options: &Options) -> (Vec<Event>, ParseState) {
+pub fn parse<'a>(value: &str, options: &'a Options) -> (Vec<Event>, ParseState<'a>) {
     let mut parse_state = ParseState {
-        constructs: options.constructs.clone(),
+        constructs: &options.constructs,
         codes: parse_codes(value),
         definitions: vec![],
     };