Function negate

negate<Item, Predicated>(predicate: Predicate<Item, Predicated>): Single<Item> extends Single<Predicated> ? Unary<Item, boolean> : Predicate<Item, Exclude<Item, Predicated>>
Takes a function and returns a copy with negated output.

Example
```
const isPositive = (value: number) => value >= 0;
const isNegative = not(isPositive);

isPositive(1); // true
isNegative(1); // false
```
Returns
Source function with negated output.
Type Parameters
- Item
- Predicated
Parameters
- predicate: Predicate<Item, Predicated>
  
  Function to be negated.
Returns Single<Item> extends Single<Predicated> ? Unary<Item, boolean> : Predicate<Item, Exclude<Item, Predicated>>
- Defined in negate.ts:18