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ERROR: instead of throw

db4
Doug Coleman 2008-08-29 02:13:27 -05:00
parent a5baa31784
commit 42bd621cce
1 changed files with 7 additions and 4 deletions
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11
basis/heaps/heaps.factor
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@ -2,7 +2,7 @@
! Slava Pestov. ! Slava Pestov.
! See http://factorcode.org/license.txt for BSD license. ! See http://factorcode.org/license.txt for BSD license.
USING: kernel math sequences arrays assocs sequences.private USING: kernel math sequences arrays assocs sequences.private
growable accessors math.order ; growable accessors math.order summary ;
IN: heaps IN: heaps
GENERIC: heap-push* ( value key heap -- entry ) GENERIC: heap-push* ( value key heap -- entry )
@ -161,10 +161,13 @@ M: heap heap-push* ( value key heap -- entry )
M: heap heap-peek ( heap -- value key ) M: heap heap-peek ( heap -- value key )
data-first >entry< ; data-first >entry< ;
ERROR: bad-heap-delete ;
M: bad-heap-delete summary
drop "Invalid entry passed to heap-delete" ;
: entry>index ( entry heap -- n ) : entry>index ( entry heap -- n )
over entry-heap eq? [ over entry-heap eq? [ bad-heap-delete ] unless
"Invalid entry passed to heap-delete" throw
] unless
entry-index ; entry-index ;
M: heap heap-delete ( entry heap -- ) M: heap heap-delete ( entry heap -- )