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<h1>Sum <img src="https://img.shields.io/badge/-extreme-b11b8d" alt="extreme"/> <img src="https://img.shields.io/badge/-%23math-999" alt="#math"/> <img src="https://img.shields.io/badge/-%23template--literal-999" alt="#template-literal"/></h1><blockquote><p>by null <a href="https://github.com/uid11" target="_blank">@uid11</a></p></blockquote><p><a href="https://tsch.js.org/476/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript&logoColor=white" alt="Take the Challenge"/></a> </p>

Implement a type `Sum<A, B>` that summing two non-negative integers and returns the sum as a string. Numbers can be specified as a string, number, or bigint.

For example,

```ts
type T0 = Sum<2, 3> // '5'
type T1 = Sum<'13', '21'> // '34'
type T2 = Sum<'328', 7> // '335'
type T3 = Sum<1_000_000_000_000n, '123'> // '1000000000123'
```

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提交于 2022-04-19 06:04 . Improve the questions sub-folders names (#8850)

Sum

by null @uid11

Implement a type Sum<A, B> that summing two non-negative integers and returns the sum as a string. Numbers can be specified as a string, number, or bigint.

For example,

type T0 = Sum<2, 3> // '5'
type T1 = Sum<'13', '21'> // '34'
type T2 = Sum<'328', 7> // '335'
type T3 = Sum<1_000_000_000_000n, '123'> // '1000000000123'