HoldPattern

Tersedia

Keeps a pattern from evaluating while staying transparent to matching and to replacement rules

Bentuk

HoldPattern[expr]

Contoh terverifikasiCases[{a -> b, c -> d}, HoldPattern[a -> _]] → {a -> b}

Jalankan ini di Qurak Cari di referensi

Topik

Evaluation Control - More Detailed Control
Patterns - Composite Patterns

Terkait

Hold Verbatim Unevaluated Alternatives Except HoldAllComplete HoldComplete KeyValuePattern Longest NHoldAll NHoldFirst NHoldRest

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