succulent/build/types/symbol.test.js

Powerful and easy runtime type checking

/// <reference types="jest" />
import { is, union, $symbol } from "../index";
test("$symbol", () => {
    const test = Symbol("test");
    expect(is(test, $symbol)).toBe(true);
    expect(is(test, Symbol.for("test"))).toBe(false);
    expect(is(Symbol.for("test"), Symbol.for("test"))).toBe(true);
    expect(is(0, $symbol)).toBe(false);
    expect(is(test, union(Symbol.for("test"), test))).toBe(true);
});
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