;;;; An unhandled (error c) — spec-conditions.md §2.
;;;;
;;;; Its argument is the whole of the difference from signal: a handler that
;;;; returns normally has not answered an error, so with nothing transferring
;;;; the program stops and says which condition it was. In a dev build this is
;;;; where the break loop will go.
(defstruct AssetMissing [id i32])

(defn main [] i32
  ;; A handler that returns normally. It runs — signal's lookup is the same —
  ;; and it still does not answer the error.
  (handler-bind [(AssetMissing [c] (print-line "handler ran"))]
    (error (AssetMissing {:id 1})))
  0)