snsdigital
snsdigital
/ gist:2881881
Created
June 6, 2012 13:33
— forked from newportandy/gist:241483
Investigating Recursive vs Iterative performance in Map traversal
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| NODES = 0..1 | |
| LENGTH = 2 | |
| INFINITY = 1.0/0 | |
| class PriorityQueue < Hash | |
| def pop! | |
| smallest_pair = self.min{ |a,b| a[1] <=> b[1]} | |
| self.delete(smallest_pair[0]) if smallest_pair | |
| smallest_pair | |
| end |