let place = unpack!(block = this.as_place(block, source));
if let Some(user_ty) = user_ty {
let annotation_index = this.canonical_user_type_annotations.push(
let place = unpack!(block = this.as_place(block, source));
if let Some(user_ty) = user_ty {
let annotation_index = this.canonical_user_type_annotations.push(