8000 Deep Copy · Issue #13 · heimdalr/dag · GitHub
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Deep Copy #13

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aidan-mundy opened this issue Nov 16, 2021 · 1 comment
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Deep Copy #13

aidan-mundy opened this issue Nov 16, 2021 · 1 comment

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@aidan-mundy
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Deep copy functionality would be nice to have built in, to have a second copy of the existing graph for further manipulation or recursive operations and such.
@sebogh sebogh mentioned this issue Jan 5, 2022
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sebogh commented Jan 5, 2022 •
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@aidan-mundy the latest master (354d4ae) implements a Copy() method:

dag/dag.go

Lines 868 to 884 in 354d4ae

// Copy returns a copy of the DAG.
func (d *DAG) Copy() (newDAG *DAG, err error) {
// create a new dag
newDAG = NewDAG()
// create a map of visited vertices
visited := make(map[interface{}]string)
// add all roots and their descendants to the new DAG
for _, root := range d.GetRoots() {
if _, err = d.getRelativesGraphRec(root, newDAG, visited, false); err != nil {
return
}
}
return
}

Could you try? Thx.

@sebogh sebogh closed this as completed Feb 9, 2022
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