git.delta.rocks / jrsonnet / refs/commits / fda6372e4ce3

59		pub rule param(s: &ParserSettings) -> expr::Param = name:$(id()) expr:(_ "=" _ expr:expr(s){expr})? { expr::Param(name.into(), expr) }59		pub rule param(s: &ParserSettings) -> expr::Param = name:$(id()) expr:(_ "=" _ expr:expr(s){expr})? { expr::Param(name.into(), expr) }
60		pub rule params(s: &ParserSettings) -> expr::ParamsDesc60		pub rule params(s: &ParserSettings) -> expr::ParamsDesc
61			= params:param(s) ** comma() comma()? {61			= params:param(s) ** comma() comma()? { expr::ParamsDesc(Rc::new(params)) }
62				let mut defaults_started = false;
63				for param in &params {
64					defaults_started = defaults_started || param.1.is_some();
65					assert_eq!(defaults_started, param.1.is_some(), "defauld parameters should be used after all positionals. Misplaced default parameter: {:?}", param.0);
66				}
67				expr::ParamsDesc(Rc::new(params))
68			}
69			/ { expr::ParamsDesc(Rc::new(Vec::new())) }62			/ { expr::ParamsDesc(Rc::new(Vec::new())) }
568		//                    ^^^^ failed code561		//                    ^^^^ failed code
569	}562	}
563
564	#[test]
565	fn default_param_before_nondefault() {
566		parse!("local x(foo = 'foo', bar) = null; null");
567	}
570568
571	#[test]569	#[test]
572	fn can_parse_stdlib() {570	fn can_parse_stdlib() {