Documentation / @andrew_l/toolkit / negate
Function: negate() ​
negate<
F>(func):F
Creates a function that negates the result of the predicate function.
Type Parameters ​
F ​
F extends (...args) => boolean
The type of the function to negate.
Parameters ​
func ​
F
The function to negate.
Returns ​
F
The new negated function, which negates the boolean result of func.
Example ​
ts
const array = [1, 2, 3, 4, 5, 6];
const isEven = (n: number) => n % 2 === 0;
const result = array.filter(negate(isEven));
// result will be [1, 3, 5]