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Term is AlgebraicHashable.

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This commit is contained in:
Rob Rix 2015-09-29 17:03:18 -04:00
parent 586def93cd
commit 31d35c854b
1 changed files with 6 additions and 1 deletions
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7
prototype/Doubt/Syntax.swift
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@ -1,4 +1,4 @@
public enum Term: CustomDebugStringConvertible, CustomDocConvertible, CustomStringConvertible, Equatable {
public enum Term: CustomDebugStringConvertible, CustomDocConvertible, CustomStringConvertible, AlgebraicHashable {
public init(_ out: Syntax<Term>) {
self = .Roll(out)
}
@ -27,6 +27,11 @@ public enum Term: CustomDebugStringConvertible, CustomDocConvertible, CustomStri
}
public var hash: Hash {
return syntax.hash
}
public static var Empty: Term {
return Term(.Empty)
}