op元素自始可用
A text operator in an equation.
Example
$ tan x = (sin x)/(cos x) $
$ op("custom",
limits: #true)_(n->oo) n $

Predefined Operators
Typst predefines the operators arccos, arcsin, arctan, arg, cos, cosh, cot, coth, csc, csch, ctg, deg, det, dim, exp, gcd, lcm, hom, id, im, inf, ker, lg, lim, liminf, limsup, ln, log, max, min, mod, Pr, sec, sech, sin, sinc, sinh, sup, tan, tanh, tg and tr.
参数
text
The operator’s text.
limits默认值:false
Whether the operator should show attachments as limits in display mode.