fn on_expression_key_val_sep<'i>(
tokens: &mut TokenSlice<'i, Token>,
eq_token: &'i Token,
receiver: &mut dyn EventReceiver,
error: &mut dyn ErrorSink,
)fn on_expression_key_val_sep<'i>(
tokens: &mut TokenSlice<'i, Token>,
eq_token: &'i Token,
receiver: &mut dyn EventReceiver,
error: &mut dyn ErrorSink,
)