primitive support for comments

src/dsl/mod.rs

@@ -22,6 +22,8 @@ mod tests {
 
         line v1 v2
         triangle v2 v3 v4
+
+        # comment
         ";
 
         let tree = parse_module(module).unwrap();

src/dsl/parser.rs

@@ -60,6 +60,11 @@ where
 
         let ty = self.next(section).ok()?;
 
+        // comments should probably added to the ast
+        if ty.starts_with("#") {
+            return None;
+        }
+
         let res = match ty {
             "vertex" => self.parse_vertex(),
             "line" => self.parse_line(),