⇢ | A | Option::flatMap() added | |
⇢ | A | None::isEmpty() added | |
⇢ | A | Option::collect() added | |
⇢ | A | None::get() added | |
⇢ | A | Option::contains() added | |
⇢ | A | Some() added | |
⇢ | A | Option::orElse() added | |
⇢ | A | Option() added | |
⇢ | A | Option::forall() added | |
⇢ | A | None() added | |
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