wip: it works but the page is backwards

packages/html/src/attrval.rs

@@ -0,0 +1,33 @@
+//! This module is not included anywhere.
+//!
+//! It is a prototype for a system that supports non-string attribute values.
+
+trait AsAttributeValue: Sized {
+    fn into_attribute_value<'a>(self, cx: NodeFactory<'a>) -> AttributeValue<'a>;
+}
+enum AttributeValue<'a> {
+    Int(i32),
+    Float(f32),
+    Str(&'a str),
+    Bool(bool),
+}
+impl<'b> AsAttributeValue for Arguments<'b> {
+    fn into_attribute_value<'a>(self, cx: NodeFactory<'a>) -> AttributeValue<'a> {
+        todo!()
+    }
+}
+impl AsAttributeValue for &'static str {
+    fn into_attribute_value<'a>(self, cx: NodeFactory<'a>) -> AttributeValue<'a> {
+        todo!()
+    }
+}
+impl AsAttributeValue for f32 {
+    fn into_attribute_value<'a>(self, cx: NodeFactory<'a>) -> AttributeValue<'a> {
+        todo!()
+    }
+}
+impl AsAttributeValue for i32 {
+    fn into_attribute_value<'a>(self, cx: NodeFactory<'a>) -> AttributeValue<'a> {
+        todo!()
+    }
+}