parse maps

src/ast.rs

@@ -1,4 +1,4 @@
-use crate::{map::Map, symbol::Symbol, val::Val};
+use crate::{symbol::Symbol, val::Val};
 
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub enum Ident {
@@ -21,8 +21,8 @@ pub enum Ast {
         outputs: Vec<Symbol>,
         body: Vec<Ast>,
     },
-    /// `{x, y: z}`
+    /// `{^x; ^y := z}`
-    Map(Map<Ast>),
+    Map(Vec<Ast>),
     /// `f x`
     App(Box<Ast>, Box<Ast>),
     /// `x + y` (only builtins, sorry)

src/parser.rs

@@ -133,7 +133,22 @@ where
             .delimited_by(just(Token::OpenParen), just(Token::CloseParen))
             .labelled("block");
 
-        let non_app = choice((set, num, ident.map(Ast::Var).labelled("variable"), block));
+        let map = expr
+            .clone()
+            .separated_by(semicolon.clone())
+            .allow_trailing()
+            .collect()
+            .map(Ast::Map)
+            .delimited_by(just(Token::OpenBrace), just(Token::CloseBrace))
+            .labelled("map");
+
+        let non_app = choice((
+            set,
+            num,
+            ident.map(Ast::Var).labelled("variable"),
+            map,
+            block,
+        ));
 
         let app = non_app
             .clone()