More impls for to_node

crates/compiler/fmt/src/annotation.rs

@@ -1410,6 +1410,18 @@ impl<'a> Nodify<'a> for TypeAnnotation<'a> {
                     item
                 }
             }
+            TypeAnnotation::BoundVariable(text) => {
+                let item = Spaces::item(Node::Literal(text));
+
+                if *text == "implements" {
+                    parens_around_node(arena, item)
+                } else {
+                    item
+                }
+            }
+            TypeAnnotation::Inferred => Spaces::item(Node::Literal("_")),
+            TypeAnnotation::Wildcard => Spaces::item(Node::Literal("*")),
+            TypeAnnotation::Malformed(text) => Spaces::item(Node::Literal(text)),
             _ => {
                 let lifted = ann_lift_spaces(arena, self);
                 Spaces {

crates/compiler/parse/src/ast.rs

@@ -40,6 +40,16 @@ impl<'a, T: Copy> ExtractSpaces<'a> for Spaces<'a, T> {
     }
 }
 
+impl<'a, T> Spaces<'a, T> {
+    pub fn item(item: T) -> Self {
+        Self {
+            before: &[],
+            item,
+            after: &[],
+        }
+    }
+}
+
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]
 pub struct SpacesBefore<'a, T> {
     pub before: &'a [CommentOrNewline<'a>],