public static final class Lists.firstElement extends Function.ListFunction
Function.ArgDrivenFunction<SOURCE,RETTYPE>, Function.ArgDrivenListFunction<S>, Function.ArgDrivenSingleFunction<S,R>, Function.BaseFunction<T>, Function.ListFunction, Function.SingleFunction<T>, Function.SquashFunction<T>
Constructor and Description |
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firstElement() |
Modifier and Type | Method and Description |
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protected Optional |
applyList(java.util.List argList) |
applySingle
apply
protected Optional applyList(java.util.List argList)
applyList
in class Function.ListFunction