⇢ | A | Option::flatMap() added | |
⇢ | A | Some::isEmpty() added | |
⇢ | A | Failure::toOption() added | |
⇢ | A | Option::fold() added | |
⇢ | A | Option::orNull() added | |
⇢ | A | Option::flatten() added | |
⇢ | A | Option::filter() added | |
⇢ | A | Option::iterator() added | |
⇢ | A | Option::exists() added | |
⇢ | A | Option::foreach() added | |
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