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24af18987b
Allows us to write in terms of the "ideal" traversal protocol while maintaining compatibilty with the existing one Swift SVN r5101
26 lines
582 B
Swift
26 lines
582 B
Swift
// RUN: %swift -i -constraint-checker %s
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// Check to make sure we are actually getting Optionals out of this
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// Generator
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var w = asGenerator((1..2).getEnumeratorType())
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var maybe_one = w.next()
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assert(maybe_one != None)
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for one in maybe_one {
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assert(one == 1)
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}
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assert(w.next() == None)
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// Test round-trip Generator/Enumerator adaptation
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var x = asGenerator((1..7).getEnumeratorType())
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var y = asEnumerator(x)
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var z = ZipEnumerator2(y, (1..7).getEnumeratorType())
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var a : (Int,Int)
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while !z.isEmpty() {
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a = z.next()
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assert(a.0 == a.1)
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}
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assert(a.0 == 6)
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println("done.")
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