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kijanowski/flatMapListOfOptionsWithInnerMap.java

Last active December 12, 2018 22:21
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flatMapListOfOptionsWithInnerMap.java
public List<String> flatMapListOfOptionsWithInnerMap(
Option<String> a1, Option<String> a2, Option<String> a3
) {
List<Option<String>> b = List.of(a1, a2, a3);
return b.flatMap(innerOption -> innerOption.map(wrappedString -> wrappedString.toLowerCase()));
}
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