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Patches have different costs.

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This commit is contained in:
Rob Rix 2015-10-06 17:08:22 -04:00
parent 4fdbcf948f
commit d7db7415dc
1 changed files with 1 additions and 1 deletions
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2
prototype/Doubt/SES.swift
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@ -11,7 +11,7 @@ public func SES<A>(a: [Fix<A>], _ b: [Fix<A>], equals: (A, A) -> Bool, recur: (F
if b.isEmpty { return a.map { Diff.Pure(Patch.Delete($0)) } }
func cost(diff: Diff) -> Int {
return diff.map(const(1)).iterate { syntax in
return diff.map { $0.cost }.iterate { syntax in
switch syntax {
case .Leaf:
return 0