Add NSCoding Support
jeffd opened this issue · comments
By having a pure Swift implementation of a Graph, there's currently no way, as far as I can tell, to write a Graph to disk with NSKeyedArchiving / NSCoding.
That is correct. One could subclass Graph, UnweightedGraph, or WeightedGraph and specify NSCoding compliant vertices and add NSCoding conformance. Having such a class built-in to the framework would violate the framework's non-reliance on Foundation. I am interesting in exploring other serialization options including basic CSV text files for Graphs with String vertices, XML, and JSON.
The path forward on this will be conformance with the Swift 4 archival and serialization APIs.