import type { FnNaN, FnOne, FnZero, FnRe } from "../interfaces/arithmetic"

export const number_type = {
   before: ['Complex'],
   test: (n: unknown): n is number => typeof n === 'number',
   from: { string: (s: string) => +s }
}

export const zero: FnZero<number> = (a) => 0
export const one: FnOne<number> = (a) => 1
export const nan: FnNaN<number> = (a) => NaN
export const re: FnRe<number, number> = (a) => a