group
import { group } from "https://raw.githubusercontent.com/Hatscat/MetavaScript/main/index.ts";container for arbitrary expressions
@example
// returns "3*(1+2)"
mul(3, group(add(1, 2)))
@example
// returns "(a,b,c)"
group(["a", "b", "c"])
@example
// returns "{a;b}"
group(statements("a", "b", "c"), "}")