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Use the patch constructors in dictionary diffing.

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This commit is contained in:
Rob Rix 2015-10-15 11:20:07 -04:00
parent fed0d91d30
commit eda4ece5a8
1 changed files with 2 additions and 2 deletions
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4
prototype/Doubt/Algorithm.swift
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@ -76,8 +76,8 @@ public enum Algorithm<Term: TermType, B> {
case let .Roll(.ByKey(a, b, f)):
// Essentially [set reconciliation](https://en.wikipedia.org/wiki/Data_synchronization#Unordered_data) on the keys, followed by recurring into the values of the intersecting keys.
let deleted = Set(a.keys).subtract(b.keys).map { ($0, Diff.Pure(Patch.Delete(a[$0]!))) }
let inserted = Set(b.keys).subtract(a.keys).map { ($0, Diff.Pure(Patch.Insert(b[$0]!))) }
let deleted = Set(a.keys).subtract(b.keys).map { ($0, Diff.Delete(a[$0]!)) }
let inserted = Set(b.keys).subtract(a.keys).map { ($0, Diff.Insert(b[$0]!)) }
let patched = Set(a.keys).intersect(b.keys).map { ($0, recurOrReplace(a[$0]!, b[$0]!)) }
return f(Dictionary(elements: deleted + inserted + patched)).evaluate(equals, recur: recur)