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Add a little API for diffs.

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This commit is contained in:
Rob Rix 2015-10-06 13:22:37 -04:00
parent 5a86df7a8d
commit 0d8c080f35
1 changed files with 12 additions and 0 deletions
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12
prototype/DoubtTests/DiffTests.swift
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@ -33,6 +33,18 @@ final class DiffTests: XCTestCase {
}
}
private func insert(term: Term) -> Diff {
return Diff.Pure(.Insert(term))
}
private func delete(term: Term) -> Diff {
return Diff.Pure(.Delete(term))
}
private func copy(term: Term) -> Diff {
return Diff.Roll(term.out.map(copy))
}
private typealias Term = Fix<Info>
private typealias Diff = Free<Info, Patch<Info>>