Freaks City

Loop with Select A frequent idiom in Go for managing concurrent workflows involves an infinite loop combined with a select statement. This pattern enables a goroutine to monitor multiple channels simulteneously and react to whichever becomes ready first. for { select { case msg := <-inputCh: // Handle incoming message cas ...

The classic simple factory pattern often relies on a switch or if-else chain to instantiate concrete objects. This approach violates the open/closed principle because adding a new type forces modification of the factory class. Table-driven design eliminates hard-coded branching by mapping identifiers directly to object creation functions. 1. De ...

Basic Event Bus A minimal implementation maps topic names to arrays of handler functions. class EventBus { constructor() { this.topics = {}; } emit(topic, data) { const queue = this.topics[topic]; if (!queue) { console.warn('No listeners for: ' + topic); return; } queue.forEach(handler => handler(data)) ...