<graph> ( -- graph )
Graphviz » Graphviz data structures

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Vocabulary
graphviz

Inputs
None

Outputs

graph

a graph

Word description
Constructs an empty, non-strict, undirected graph.

Notes
Because it's rare for graph ids to be meaningful or useful, <graph> automatically generates one, just as in <anon>.

If you want, you can still give the resulting graph a specific id using standard words like >>id. For example,

<graph> "G" >>id

Examples

USING: graphviz prettyprint ; <graph> graph? .
t

USING: accessors graphviz prettyprint sequences ; <graph> statements>> empty? .
t

USING: accessors graphviz prettyprint ; <graph> strict?>> .
f

USING: accessors graphviz prettyprint ; <graph> directed?>> .
f

See also
graph, <digraph>, <strict-graph>, <strict-digraph>

Definition

USING: graphviz.private kernel ;

IN: graphviz

: <graph> ( -- graph ) anon-id f f V{ } clone graph boa ;