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std.lib.diff.seq

diff

added in 3.0

(diff as bs)

creates a diff of two sequences

(diff 1 2 3 4 5 1 2 :a 4 5) => [2 [:- 2 1 [:+ 2 :a]]]

(diff 1 2 3 4 5 1 :a 3 2 5) => [4 [:- 1 1 [:+ 1 :a] :- 3 1 [:+ 3 2]]]

patch

added in 3.0

(patch as diff-result)(patch insert-f remove-f as [d es])

uses a diff to reconcile two sequences

(patch 1 2 3 4 5 [4 [:- 1 1 [:+ 1 :a] :- 3 1 [:+ 3 2]]]) => 1 :a 3 2 5