import { is } from "../src";

export { is } from "../src";

export const voids: is.Void[] = [ null, undefined ];
export const funcs: Function[] = [ () => {}, function() {}, "a".match ];
export const nonVoidPrims = [ 42, "text", true, Symbol.species ];
export const nonNullObjects = [ ...nonVoidPrims.map<object>(Object), <object> {}, <any[]> [] ];
export const objects = [ null, ...nonNullObjects ];
export const nonVoidComps = [ ...funcs, ...nonNullObjects ];

// ***

export const choice = <T>(list: T[]): T => list[Math.floor(Math.random() * list.length)];

export const floats = [ 42.17, 1.5, Math.PI ];
export const odds = [ 17, 1.0, Number.MAX_SAFE_INTEGER ];
export const evens = [ 42, 0, Number.MAX_SAFE_INTEGER - 1 ];
export const ints = [ ...odds, ...evens ];
export const infs = [ NaN, Infinity ];
export const fins = [ ...floats, ...ints ];
export const numbers = [ ...infs, ...fins ];

export const negate = (value: number) => -value;
export const negpos = (numbers: number[]) => [ ...numbers, ...numbers.map(negate) ];