Skip to main content

tap()

tap<T, R>(fn): (val) => T

Calls the given function with the passed value and returns the value unchanged.

Type Parameters​

T​

T

The type of the input given to the function.

R​

R

The return type of the given function.

Parameters​

fn​

(v) => R

The function to call, passing the given value.

Returns​

(val): T

Parameters​

val​

T

Returns​

T

Remarks​

tap :: (a -> b) -> a -> a

Example​

tap(console.log)('foobar');
// foobar