Commit 01ccc13f authored by keithw's avatar keithw
Browse files

[project @ 1999-03-29 14:09:36 by keithw]

Useful comment added.
(this is really a CVS checkin test, please ignore...)  --keithw
parent d747accb
......@@ -445,6 +445,12 @@ type StgCaseDefault = GenStgCaseDefault Id Id
This is also used in @LambdaFormInfo@ in the @ClosureInfo@ module.
A @ReEntrant@ closure may be entered multiple times, but should not be
updated or blackholed. An @Updatable@ closure should be updated after
evaluation (and may be blackholed during evaluation). A @SingleEntry@
closure will only be entered once, and so need not be updated but may
safely be blackholed.
data UpdateFlag = ReEntrant | Updatable | SingleEntry
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