Subtract

Since 1.1.0

Subtract two number types.

Signature

type Subtract<A extends number, B extends number> = NumberToArray<B> extends [
  ...number[],
  ...NumberToArray<A>,
]
  ? 0
  : NumberToArray<A> extends [...NumberToArray<B>, ...infer Rest]
    ? Rest['length']
    : 0

Parameters

Parameter	Description
A	First number (minuend)
B	Second number (subtrahend)

Description

Subtract is clamped at 0 - results below 0 return 0.

Examples

Basic Usage

import type { Subtract } from 'uni-types'

type A = Subtract<10, 3>  // 7
type B = Subtract<5, 2>   // 3
type C = Subtract<5, 10>  // 0 (clamped)

Related

• Add - Add two numbers
• Inc - Increment by 1
• Dec - Decrement by 1