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Merge branch 'graphs' into experimental

db4
Alex Chapman 2008-04-28 14:26:17 +10:00
parent 4300eeaa89 09c61d7d0a
commit 24832b5c0e
1 changed files with 21 additions and 0 deletions
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extra/new-graphs/new-graphs.factor Normal file
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! Copyright (C) 2008 Alex Chapman
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs kernel new-slots sequences vectors ;
IN: new-graphs
TUPLE: graph edges ;
TUPLE: digraph ;
TUPLE: undigraph ;
: <graph> ( -- graph )
H{ } clone graph construct-boa H{ } clone over set-delegate ;
: <digraph> ( -- graph )
<graph> digraph construct-empty tuck set-delegate ;
: <undigraph> ( -- graph )
<graph> undigraph construct-empty tuck set-delegate ;
GENERIC: add-vertex ( key value graph -- )
M: graph add-vertex ( key value digraph -- ) set-at ;