FreeQ

Tersedia

Tests whether an expression does NOT contain a given subexpression.

Bentuk

FreeQ[expr, form]

FreeQ[expr, form, levelspec]

FreeQ[form]

Contoh terverifikasiFreeQ[{1, 2, 3}, 4] → True FreeQ[{1, 2, 3}, 2] → False

Jalankan ini di Qurak Cari di referensi

Topik

Elements Of Lists - Finding Sublists
Expressions - Expression Testing »
Operations On Sets - Testing Elements in Sets
Pattern Matching Functions - Patterns for Part Specifications
Testing Expressions - Expression Tests

Terkait

MemberQ MatchQ Count StringFreeQ KeyExistsQ ContainsAny ContainsOnly AllMatch AnyMatch AllTrue AnyTrue Cases

Semua 6300 fungsi · Pakai ini dari klien MCP