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Will Hayworth wsh
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/ OptionalMap.java
Last active
December 25, 2015 03:38
Break the Map interface to introduce null-safety via Guava's Optional. Does not allow null entries (surprise).
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| import java.util.Collection; | |
| import java.util.Map; | |
| import java.util.Objects; | |
| import java.util.Set; | |
| import com.google.common.base.Optional; | |
| import com.google.common.collect.Maps; | |
| public class OptionalMap<K, V> { | |
| private final Map<K, V> map; |