KeyMemberQ

Tersedia

True if key exists in association.

Bentuk

KeyMemberQ[assoc, form]

KeyMemberQ[form]

Contoh terverifikasiKeyMemberQ[<|"a" -> 1, "b" -> 2|>, "a"] → True

Jalankan ini di Qurak Cari di referensi

Topik

Associations - Functions That Apply to Keys
New In103 Alphabetical Listing - K
Pattern Matching Functions - Patterns for Part Specifications

Terkait

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