docs: perf comment

1 files changed, 1 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 3dc8e99..d156c42 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -284,6 +284,7 @@ pub fn parse_document(document: &Html) -> HashMap<&str, Course<'_>> {
 	let mut subject_area = "";
 	let mut working_course = Course::default();
 
+	// PERF: Could we gain a meaningful speed boost by splitting this into chunks of each course?
 	for elem in document.select(&Selector::parse("p").expect("selector should always be valid")) {
 		let elem_value = elem.value();