import type { Maybe, ReadOnlyIterable, Unary } from "@lou.codes/types";
/**
 * Returns the value of the first item in the iterable where predicate is
 * `true`, `undefined` otherwise.
 *
 * @category Reducers
 * @example
 * ```typescript
 * const findEven = find((number: number) => number % 2 === 0);
 * findEven([1, 2, 3, 4]); // 2
 * findEven([1, 3, 5, 7]); // undefined
 * ```
 * @param predicate Predicate function to search for item.
 * @returns Curried function with `predicate` set in context.
 */
export declare const find: <Item>(
	predicate: Unary<Item, boolean>,
) => (iterable: ReadOnlyIterable<Item>) => Maybe<Item>;