Allow field access on 'else'.

crates/aiken-lang/src/parser/chain/field_access.rs

@@ -1,16 +1,16 @@
-use chumsky::prelude::*;
-
 use super::Chain;
 use crate::{
     expr::UntypedExpr,
     parser::{token::Token, ParseError},
 };
+use chumsky::prelude::*;
 
 pub(crate) fn parser() -> impl Parser<Token, Chain, Error = ParseError> {
     just(Token::Dot)
-        .ignore_then(select! {
-            Token::Name { name } => name,
-        })
+        .ignore_then(choice((
+            select! { Token::Else => "else".to_string() },
+            select! { Token::Name { name } => name, },
+        )))
         .map_with_span(Chain::FieldAccess)
 }
 
@@ -28,3 +28,18 @@ pub(crate) fn constructor() -> impl Parser<Token, UntypedExpr, Error = ParseErro
             }),
         })
 }
+
+#[cfg(test)]
+mod tests {
+    use crate::assert_expr;
+
+    #[test]
+    fn field_access_else_1() {
+        assert_expr!("foo.else");
+    }
+
+    #[test]
+    fn field_access_else_2() {
+        assert_expr!("foo.bar.else");
+    }
+}