lang: make attrset delims braces

crates/lang/src/parser.rs

@@ -25,7 +25,6 @@ pub type Spanned<T> = (T, Span);
 pub fn parse<'src>(src: &'src str) -> ParseResult<File<'_>, Rich<'_, Token<'_>>> {
     let toks: Vec<_> = Token::lexer(src)
         .spanned()
-        .into_iter()
         .map(|(t, s)| (t.expect("TODO: add lexer error(s)"), Span::from(s)))
         .collect();
     let tok_stream = Stream::from_iter(toks).spanned((src.len()..src.len()).into());
@@ -55,7 +54,7 @@ pub(crate) fn parser<
             .separated_by(just(Token::Comma))
             .collect::<Vec<_>>()
             .map(IndexMap::from_iter)
-            .delimited_by(just(Token::BracketOpen), just(Token::BracketClose))
+            .delimited_by(just(Token::BraceOpen), just(Token::BraceClose))
             .map_with(|v, e| (v, e.span()))
             .labelled("attrset");
 
@@ -100,3 +99,17 @@ pub(crate) fn parser<
         decls: IndexMap::from_iter(decls),
     }))
 }
+
+pub mod asg {
+    use petgraph::graph::DiGraph;
+
+    use super::Spanned;
+
+    pub struct Asg<'src> {
+        graph: DiGraph<AsgNode<'src>, String>,
+    }
+
+    enum AsgNode<'src> {
+        Node(Spanned<&'src str>),
+    }
+}