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21 lines
640 B
Go
21 lines
640 B
Go
package terraform
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// TransitiveReductionTransformer is a GraphTransformer that
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// finds the transitive reduction of the graph. For a definition of
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// transitive reduction, see [Wikipedia](https://en.wikipedia.org/wiki/Transitive_reduction).
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type TransitiveReductionTransformer struct{}
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func (t *TransitiveReductionTransformer) Transform(g *Graph) error {
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// If the graph isn't valid, skip the transitive reduction.
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// We don't error here because Terraform itself handles graph
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// validation in a better way, or we assume it does.
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if err := g.Validate(); err != nil {
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return nil
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}
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// Do it
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g.TransitiveReduction()
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return nil
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}
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