isBoolean
import { isBoolean } from "https://github.gh-proxy.cn/raw.githubusercontent.com/baetheus/fun/main/boolean.ts";A type guard, indicating that a value is a boolean.
function isBoolean(a: unknown): a is boolean;
import { isBoolean } from "https://github.gh-proxy.cn/raw.githubusercontent.com/baetheus/fun/main/boolean.ts";A type guard, indicating that a value is a boolean.