Yes, I already consider it as an enriched version of the current set method, I just like calling it superset :)
On Tue, Jul 9, 2019 at 11:05 PM Григорий Карелин <[email protected]> wrote: > Maybe add those methods into Set instead of creating new type? > > On Tue, 9 Jul 2019 at 23:02, Oğuz Kılıç <[email protected]> wrote: > >> As you know, the current Set feature is not sufficient in some aspects. >> We benefit from utility libraries or special implementations to fill this >> deficiency. >> >> For example, wouldn’t it be better if we had the following approach? >> >> UNION >> >> X ∪ Y = { x | x ∈ X or x ∈ Y } >> >> let first = new SuperSet(["a", "b", "c"]); >> let second = new SuperSet(["b", "c", "d", "e"]); >> >> first.union(second); //→ SuperSet { "a", "b", "c", "d", "e" } >> >> DIFFERENCE >> >> X - Y = { x | x ∈ X and x ∉ Y } >> >> let nums = new SuperSet([3, 4, 5, 6]); >> let primes = new SuperSet([2, 3, 5, 7]); >> >> nums.diff(primes); // → SuperSet { 4, 6 } >> >> INTERSECT >> >> X ∩ Y = { x | x ∈ X and x ∈ Y } >> >> let nums = new SuperSet([3, 4, 5, 6]); >> let primes = new SuperSet([2, 3, 5, 7]); >> nums.intersect(primes); // → SuperSet { 3, 5 } >> >> DISCARD >> >> let nums = new SuperSet([1, 2, 3, 4]); >> nums.discard([1, 3]); // → SuperSet { 2, 4 } >> >> Motivation >> SuperSet - https://github.com/BYK/superset >> _______________________________________________ >> es-discuss mailing list >> [email protected] >> https://mail.mozilla.org/listinfo/es-discuss >> > -- > Отправлено с мобильного устройства >
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