Add an int_of_bool cast function.

diff --git a/src/misc.ml b/src/misc.ml
index 65c3a0e..dc14fdd 100644 (file)
--- a/src/misc.ml
+++ b/src/misc.ml
@@ -45,3 +45,5 @@ struct
       let x1, y1 = p1
       and x2, y2 = p2 in X.equal x1 x2 && Y.equal y1 y2
 end
+
+external int_of_bool : bool -> int = "%identity"