TypeScript Generics: From Confused to Confident
typescript
dev.to
Why Generics Feel Hard Generics look like math. , , —it reads like a type system paper, not application code. But the concept is simple: write code that works with any type, while keeping type safety. The Problem Generics Solve Without generics: function firstElement(arr: number[]): number { return arr[0]; } function firstString(arr: string[]): string { return arr[0]; } // Duplicate code for every type... or function first(arr: any[]): any { return arr[0]; // l