Function getOr

getOr<T, U>(key: string, defaultValue?: U): ((obj: T) => undefined | U | T[keyof T & string])
Example
```
import * as P from "flurp/pojo";

const getX = P.getOr("x");
getX({x: 5});       // 5

const getYOrTen = P.getOr("y", 10);
getY({x: 5});       // 10

const getY = P.getOr("y");
getY({x: 5});       // undefined
```
Type Parameters
- T extends Readonly<Record<string, unknown>>
- U
Parameters
- key: string
- Optional defaultValue: U
Returns ((obj: T) => undefined | U | T[keyof T & string])
- - (obj: T): undefined | U | T[keyof T & string]
  - Parameters
    - obj: T
    Returns undefined | U | T[keyof T & string]
- Defined in src/pojo.ts:175