SYNOPSIS

A minimalist event emitter for C++14

DESCRIPTION

Event emitters are handy for evented programming, Node.js has a nice one. This one is similar, but with a few less features. This emitter allows you to emit and receive arbitrary/variadic paramaters of equal type.

BUILD STATUS

EXAMPLE

#include "events.h"

int main() {

  EventEmitter ee;

  ee.on("hello", [](string name, int num) {
    // ...do something with the values.
  });

  ee.emit("hello", "beautiful", 100);
}

API

INSTANCE METHODS

void on(string eventName, lambda callback);

Listen for an event multiple times.

void once(string eventName, lambda callback);

Listen for an event only once.

void emit(string eventName [, arg1 [, arg2...]]);

Emit data for a particular event.

void off(string eventName);

Remove listener for a particular event.

void off();

Remove all listeners on the emitter.

int listeners();

Find out how many listeners had been added to an emitter.

INSTANCE MEMBERS

maxListeners

How many listeners an event emitter should have before considering that there is a memory leak.