/** @module function/spread.ts */
/**
 * Spread array values as parameters to a given function
 * @param fn function to spread array as parameters over
 * @param arr array of values to spread over function fn
 * @sig fn -> arr -> fn(...arr)
 * @example
 * const joinArgs = ( a: string ) => ( ...args: string[] ) => args.join( a )
 * pipeline(
 *   'a-b-c',
 *   split('-'),
 *   spread(joinArgs('/'))
 * )
 * //=> 'a/b/c'
 */
export declare function spread<P, R>(fn: (args: [P, ...P[]]) => R): (arr: [P, ...P[]]) => R;
export declare function spread<F extends (...args: any[]) => any>(fn: F): <A extends any[]>(arr: A) => F extends (...args: any[]) => infer U ? U : never;
export default spread;