theme not static

src/lib.rs

@@ -19,14 +19,14 @@ const CODE_BLOCK_RE: Lazy<Regex> = Lazy::new(|| {
         .unwrap()
 });
 
-pub struct SyntectParser {
+pub struct SyntectParser<'a> {
     syntax_set: SyntaxSet,
     theme_set: ThemeSet,
-    theme: &'static str,
+    theme: &'a str,
 }
 
-impl SyntectParser {
-    pub fn new(theme: &'static str) -> Self {
+impl<'a> SyntectParser<'a> {
+    pub fn new(theme: &'a str) -> Self {
         Self {
             syntax_set: SyntaxSet::load_defaults_newlines(),
             theme_set: ThemeSet::load_defaults(),
@@ -35,7 +35,7 @@ impl SyntectParser {
     }
 }
 
-impl Parse for SyntectParser {
+impl<'a> Parse for SyntectParser<'a> {
     fn parse(&mut self, _path: &str, src: &[u8], dst: &mut Vec<u8>) -> std::io::Result<()> {
         let file = String::from_utf8_lossy(src).to_string();
         let result = CODE_BLOCK_RE