exceptions: Export constructor and predicate for '&quit-exception'.

* module/ice-9/exceptions.scm: Re-export '&quit-exception' and export
'make-quit-exception' and 'quit-exception?'.
(quit-exception?): New procedure.

diff --git a/module/ice-9/exceptions.scm b/module/ice-9/exceptions.scm
index 3e0b8ccdc5f7c0c13020f3398f19eb3dbc364ade..143e7aa3efa29923f33e4fc41d3b1f0bfdaa65f1 100644 (file)
--- a/module/ice-9/exceptions.scm
+++ b/module/ice-9/exceptions.scm
@@ -37,6 +37,7 @@
 
                &error
                &programming-error
+               &quit-exception
                &non-continuable
 
                raise-exception
@@ -58,7 +59,10 @@
             &external-error
            make-external-error
            external-error?
-       
+
+            make-quit-exception
+            quit-exception?
+
             make-programming-error
            programming-error?
 
@@ -173,6 +177,8 @@
   (record-constructor &exception-with-kind-and-args))
 (define make-quit-exception
   (record-constructor &quit-exception))
+(define quit-exception?
+  (exception-predicate &quit-exception))
 
 (define (default-guile-exception-converter key args)
   (make-exception (make-error)