12 lines
414 B
Java
12 lines
414 B
Java
import cs2030s.fp.Saveable
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Saveable<Integer> u = Saveable.of(10)
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u.equals(u)
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u.map(x -> x + 4).equals(u.map(x -> x + 4))
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u.map(x -> x + 4).undo().equals(Saveable.of(14))
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u.map(x -> x + 4).undo().equals(u.map(x -> x + 4).undo())
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u.map(x -> x + 4).undo().redo().equals(u.map(x -> x + 4))
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u.map(x -> x + 4).equals(Saveable.of(4).map(x -> x + 10))
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Saveable.of("hi").equals(Saveable.of(new String("hi")));
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