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Document Cofree.extend().

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Rob Rix 2015-10-14 10:22:04 -04:00
parent 011719b752
commit b50ebdf21a
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prototype/Doubt/Cofree.swift
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@ -37,6 +37,7 @@ extension Cofree {
}
}
/// Returns a new `Cofree` by recursively applying `transform` to each node, producing the annotations for the copy.
public func extend<Other>(@noescape transform: Cofree -> Other) -> Cofree<A, Other> {
return .Unroll(transform(self), unwrap.map { $0.extend(transform) })
}