30-seconds-of-code/snippets/js/s/unary.md

title, type, language, tags, cover, dateModified

title	type	language	tags	cover	dateModified
Unary function arity	snippet	javascript	function	flower-portrait-2	2020-10-22T20:24:44+03:00

Creates a function that accepts up to one argument, ignoring any additional arguments.

• Call the provided function, fn, with just the first argument supplied.

const unary = fn => val => fn(val);

['6', '8', '10'].map(unary(parseInt)); // [6, 8, 10]