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Fix hashing.

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This commit is contained in:
Rob Rix 2015-10-02 16:31:10 -04:00
parent 96e5cd0e7a
commit bccc09d39b
1 changed files with 9 additions and 0 deletions
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9
prototype/Doubt/Fix.swift
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@ -25,3 +25,12 @@ extension Fix {
public func == <A: Equatable> (left: Fix<A>, right: Fix<A>) -> Bool {
return Fix.equals(==)(left, right)
}
// MARK: - Hashing
extension Fix {
public func hash(param: A -> Hash) -> Hash {
return out.hash(ifLeaf: param, ifRecur: { $0.hash(param) })
}
}