rc-js-util/docs/rc-js-util._fp.maybenewvalue.md

A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.

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[Home](./index.md) &gt; [rc-js-util](./rc-js-util.md) &gt; [\_Fp](./rc-js-util._fp.md) &gt; [maybeNewValue](./rc-js-util._fp.maybenewvalue.md)

## \_Fp.maybeNewValue property

Returns the newValue if defined, else the old value.

**Signature:**

```typescript
static readonly maybeNewValue: typeof fpMaybeNewValue;
```

## Remarks

See [fpMaybeNewValue()](./rc-js-util.fpmaybenewvalue.md)<!-- -->.