Function negate

negate(value: number): number
Returns the negation of a number.
Parameters
- value: number
  The number to negate.
Returns number
The negated value of the input.
Example
```
negate(5);   // returns -5
negate(-3);  // returns 3
negate(0);   // returns -0
```
- Defined in negate/negate.ts:14