import { isSelectOptionGroup } from "https://deno.land/x/cliffy@v1.0.0-rc.1/prompt/select.ts";
Returns
option is SelectOptionGroup<any>
x/cliffy/prompt/select.ts>isSelectOptionGroup
import { isSelectOptionGroup } from "https://deno.land/x/cliffy@v1.0.0-rc.1/prompt/select.ts";