Function jj_cli::template_builder::expect_boolean_expression

pub fn expect_boolean_expression<'a, L: TemplateLanguage<'a> + ?Sized>(
    language: &L,
    build_ctx: &BuildContext<'_, L::Property>,
    node: &ExpressionNode<'_>
) -> TemplateParseResult<Box<dyn TemplateProperty<Output = bool> + 'a>>