import { acos } from "https://deno.land/x/denops_std@v6.4.0/function/mod.ts";
Return the arc cosine of {expr} measured in radians, as a
Float in the range of [0, pi].
{expr} must evaluate to a Float or a Number in the range
[-1, 1]. Otherwise acos() returns "nan".
Examples:
:echo acos(0)
1.570796
:echo acos(-0.5)
2.094395
Can also be used as a method:
Compute()->acos()
Parameters
denops: Denops