MemberQ

Disponibile

Tests whether a list contains a given element.

Forme

MemberQ[list, form]

MemberQ[list, form, levelspec]

MemberQ[form]

Esempi verificatiMemberQ[{1, 2, 3}, 2] → True MemberQ[{1, 2, 3}, 4] → False

Esegui su Qurak Cerca nella guida

Usata in

Enhanced cycle and tour functionality - 8 passi

Argomenti

Elements Of Lists - Finding Sublists
Expressions - Expression Testing »
Language Overview - Logic & Tests »
List Manipulation - Elements of Lists »
Operations On Sets - Testing Elements in Sets
Pattern Matching Functions - Patterns for Part Specifications

Correlate

SubsetQ FreeQ MatchQ Element Count Cases IntervalMemberQ KeyExistsQ ContainsAny AllMatch AnyMatch Position

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