import { isNumber } from "https://deno.land/x/yano3nora_tsutils@v0.18.0/main.ts";
isNumber - 数値かどうかを検査する
true
isNumber(0) isNumber(1) isNumber(-1) isNumber(1.5) isNumber(-1.5)
false
isNumber(null) isNumber(undefined) isNumber(NaN) isNumber('1') isNumber(true) isNumber(false) isNumber(new Date()) isNumber(Infinity) isNumber(-Infinity) isNumber([]) isNumber({}) isNumber(Symbol('foo'))
BigInt 未対応
isNumber(2n ** 53n) // false