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authordos-reis <gdr@axiomatics.org>2009-01-07 00:10:06 +0000
committerdos-reis <gdr@axiomatics.org>2009-01-07 00:10:06 +0000
commita85264fb5a5f7cc8a62153fa562808ef60a9330e (patch)
tree20d4ebebcf24ebaac152c6100e22286c86d26bf4 /src/interp
parent258d6427280f1ee0cce0dcdf12c38ad65b5e36cc (diff)
downloadopen-axiom-a85264fb5a5f7cc8a62153fa562808ef60a9330e.tar.gz
* algebra/any.spad.pamphlet (Maybe): Rework.
Diffstat (limited to 'src/interp')
-rw-r--r--src/interp/sys-utility.boot3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/interp/sys-utility.boot b/src/interp/sys-utility.boot
index d34cc4b8..3fcbdf9c 100644
--- a/src/interp/sys-utility.boot
+++ b/src/interp/sys-utility.boot
@@ -40,6 +40,9 @@ namespace BOOT
--%
$COMBLOCKLIST := nil
+++ No value marker for the Maybe domain.
+%nothing == KEYWORD::%OpenAxiomNoValue
+
--%