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java.lang.Objectedu.cmu.cs.crystal.util.Option<T>
public abstract class Option<T>
Constructor Summary | |
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Option()
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Method Summary | ||
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abstract boolean |
isNone()
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abstract boolean |
isSome()
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static
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none()
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static
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some(T t)
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abstract T |
unwrap()
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static
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wrap(T t)
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Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Option()
Method Detail |
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public static <T> Option<T> none()
public static <T> Option<T> some(T t)
public static <T> Option<T> wrap(T t)
public abstract T unwrap()
public abstract boolean isSome()
public abstract boolean isNone()
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