tamda/dist/function/tap.d.ts

Practical functional programming library for TypeScript

/**
 * Invokes a function `fn` with `source` as argument, then returns the `source` itself.
 * @param source Argument to supply to `fn`.
 * @param fn Function to invoke with `source`.
 */
export declare function tap<T>(source: T, fn: Tapper<T>): T;
/**
 * Returns a function that
 * invokes a function `fn` with `source` as argument, then returns the `source` itself.
 * @param fn Function to invoke with `source`.
 */
export declare function tap<T>(fn: Tapper<T>): 
/**
 * Invokes a previously specified function `fn` with `source` as argument, then returns the `source` itself.
 * @param source Argument to supply to `fn`.
 */
(source: Parameters<typeof fn>[0]) => T;
declare type Tapper<T> = (source: T) => unknown;
export {};