1pub fn highlight(&self, lang: &str, source: &str) -> Option<Result<Str
2    let config = self.config_for(lang)?;
3    Some(self.render(config, source))
4}
5
6/// Render one block. Inlined here (rather than in `render`) so the in
7/// callback and the host config share the `&self` lifetime — the borr
8/// checker resolves the highlighter's internal lifetime locally, mirr
9/// tree-sitter-highlight's own C binding.
10fn render(&self, config: &HighlightConfiguration, source: &str) -> Res
11    let mut highlighter = Highlighter::new();
12    let events = highlighter
13        .highlight(config, source.as_bytes(), None, |name: &str| {
14            // Resolve embedded languages only among grammars already 
15            // injection never loads a new grammar. Disabled when `inj
16            // off, so a misbehaving sub-grammar can be switched out e
17            self.inject.then(|| self.config_for(name)).flatten()
18        })