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Add a Delete constructor to Free when used as a diff.

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This commit is contained in:
Rob Rix 2015-10-15 11:11:06 -04:00
parent ce633f555a
commit 9e80e0c903
1 changed files with 4 additions and 0 deletions
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4
prototype/Doubt/Free.swift
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@ -130,6 +130,10 @@ extension Free where B: PatchConvertible, B.Element == Cofree<A, ()> {
public static func Insert(after: B.Element) -> Free { public static func Insert(after: B.Element) -> Free {
return .Pure(B(patch: .Insert(after))) return .Pure(B(patch: .Insert(after)))
} }
public static func Delete(before: B.Element) -> Free {
return .Pure(B(patch: .Delete(before)))
}
} }