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notFn()

notFn<T>(a): (b) => boolean

Logical (Function Result) Not (Negation) (!a(b)).

Type Parameters​

T​

T

The type of the input value.

Parameters​

a​

(x) => unknown

The function to negate the return of.

Returns​

(b): boolean

Parameters​

b​

T

Returns​

boolean

See​

https://en.wikipedia.org/wiki/Negation

Remarks​

pure function

Example​

notFn(x => x & 1)(4);
// true