steve
/
factor
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
basis/heaps/heaps.factor
View File

@ -2,7 +2,7 @@
! Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel math sequences arrays assocs sequences.private
growable accessors math.order ;
growable accessors math.order summary ;
IN: heaps
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 )
data-first >entry< ;
ERROR: bad-heap-delete ;
M: bad-heap-delete summary
drop "Invalid entry passed to heap-delete" ;
: entry>index ( entry heap -- n )
over entry-heap eq? [
"Invalid entry passed to heap-delete" throw
] unless
over entry-heap eq? [ bad-heap-delete ] unless
entry-index ;
M: heap heap-delete ( entry heap -- )