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bastman/optionalToNullable.kt

Created January 31, 2018 10:39
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Kotlin extension function to convert Java8 Optional<T> to Kotlin nullable T?
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optionalToNullable.kt
fun <T : Any> Optional<T>.toNullable(): T? {
return if (this.isPresent) {
this.get()
} else {
null
}
}
@Hydragyrum
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fun <T : Any> Optional<T>.toNullable(): T? = this.orElse(null);

is more succint IMO

@jayhilden
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jayhilden commented Nov 21, 2019 •
edited
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nice! And the reverse.

fun <T : Any> T?.toOptional(): Optional<T> = Optional.ofNullable(this)

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