// @tselect/status-code
import { StatusCode, is5xx } from '@tselect/status-code';
StatusCode.OK;                                // 200
is5xx(StatusCode.INTERNAL_SERVER_ERROR);      // true

// @tselect/http-method
import { HTTPMethod, isHTTPMethod } from '@tselect/http-method';
HTTPMethod.GET;                               // get
isHTTPMethod('get');                          // true

// @tselect/countries
import { Countries, CountryCode } from '@tselect/countries';
Countries.get(CountryCode.AC).getMainCurrency().getDecimals(); // 2

// @tselect/schema
import { object, email } from '@tselect/schema';
object({ foo: email() });                     // { type: 'object', additionalProperties: false, ... }

// @tselect/url
import * as URL from '@tselect/url';
URL.ensureSlashes('/foo', { leading: false, trailing: true }); // foo/

// @tselect/thrown
import { thrown } from '@tselect/thrown';
try { doSomething(); }
catch (err: any) { thrown(err).catch(TypeError, e => {/* ... */}).rethrowUncaught(); }