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-rw-r--r--src/util/identifier.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/util/identifier.rs b/src/util/identifier.rs
index 4887e02..3c47e20 100644
--- a/src/util/identifier.rs
+++ b/src/util/identifier.rs
@@ -3,11 +3,13 @@
use unicode_id::UnicodeID;
/// Check if a character can start a JS identifier.
+#[must_use]
pub fn id_start(char: char) -> bool {
UnicodeID::is_id_start(char) || matches!(char, '$' | '_')
}
/// Check if a character can continue a JS (or JSX) identifier.
+#[must_use]
pub fn id_cont(char: char, jsx: bool) -> bool {
UnicodeID::is_id_continue(char)
|| matches!(char, '\u{200c}' | '\u{200d}')