sdd = require 'sdd'
A = { a: 1, b: 2, c: 3, d: 3, }
B = { a: 3, b: 2, z: 4 }
sdd.diff.two A, B
# diff: [[["a"], 1, 3]] # a changed from 1 to 3
# same: [[["b"], 2 ]]
# new: [[["z"], 4 ]]
# del: [[["c"], 3 ], [["d"], 3]]
C = { a: 0, b: 1, c: 3, d: 4 } # the common ancestor of A and B
sdd.diff.three A, B, C
# diff: [[["a"], 1 , 3], [["d"], 3, null]] # conflicting changes
# same: [[["b"], 2], [["z"], 4 ]] # same in A and B or new in A or B
# del: [[["c"], 3 ]] # c was removed in A or B only
#
# also included are the intermediary results:
#
# c2a: {"diff":[[["a"],0,1],[["b"],1,2],[["d"],4,3]],"new":[],"same":[[["c"],3]],"del":[]}
# c2b: {"diff":[[["a"],0,3],[["b"],1,2]],"new":[[["z"],4]],"same":[],"del":[[["c"],3],[["d"],4]]}
# happy diffing :-)
