Hold

Tersedia

Prevents its argument from being evaluated.

Bentuk

Hold[expr]

Contoh terverifikasiHold[1 + 2] → Hold[1 + 2]Hold[1 + 2][[1]] → 3 First[Hold[1 + 2, 3 + 4]] → 3 Rest[Hold[1 + 2, 3 + 4]] → Hold[3 + 4]

Jalankan ini di Qurak Cari di referensi

Dipakai di

Substitute values of variables in functions that hold their arguments - 5 langkah

Topik

Evaluation Control - Evaluation Control for Complete Expressions
Expressions - Controlling Expression Evaluation »

Terkait

HoldForm HoldPattern HoldComplete HoldCompleteForm ReleaseHold Unevaluated HoldAll HoldAllComplete HoldFirst HoldRest Inactivate Defer

Semua 6300 fungsi · Pakai ini dari klien MCP