Document why cofe_fun is a definition.

25f1b889 · Robbert Krebbers · 51b15fdc · 25f1b889
Commit 25f1b889 authored 8 years ago by Robbert Krebbers
--- a/algebra/cofe.v
+++ b/algebra/cofe.v
@@ -208,6 +208,8 @@ Section fixpoint.
 End fixpoint.

 (** Function space *)
+(* We make [cofe_fun] a definition so that we can register it as a canonical
+structure. *)
 Definition cofe_fun (A : Type) (B : cofeT) := A → B.

 Section cofe_fun.