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Document Cofree.extract.

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Rob Rix 2015-10-14 10:19:38 -04:00
parent ab3d297d95
commit 7bff8f6f50
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prototype/Doubt/Cofree.swift
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@ -29,6 +29,7 @@ extension Cofree {
// MARK: - Comonad // MARK: - Comonad
extension Cofree { extension Cofree {
/// Returns the value annotating the syntax tree at this node.
public var extract: B { public var extract: B {
switch self { switch self {
case let .Unroll(b, _): case let .Unroll(b, _):