Qurak

KeySelect

Disponible

Selects elements of an association by a key criterion; supports the operator form KeySelect[crit][assoc]

KeySelect[assoc, crit]
KeySelect[crit]
KeySelect[<|1 -> a, 2 -> b, 3 -> c|>, EvenQ] → <|2 -> b|>KeySelect[EvenQ][<|1 -> a, 2 -> b, 3 -> c|>] → <|2 -> b|>

Thèmes

Connexes

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