Eric Walker added scala - Immutable data structure for a DAG? - Stack Overflow to Persistent data structures

Eric Walker added Is there a data structure to represent changes to a DAG over time, with fast reproduction of instances of the DAG? - Computer Science Stack Exchange to Digraph and Persistent data structures

Eric Walker added Persistent data structure - Wikipedia to Digraph and Persistent data structures

Eric Walker added a number of links to Persistent data structures, and added Persistent data structures to Algorithms and data structures

Eric Walker added a number of topics and a number of links to Algorithms and data structures, and added Algorithms and data structures to Software and programming