Do Go Generics Really Outperform interface{}? A Detailed Benchmark

This article presents a systematic benchmark comparing Go's new generic types with the traditional interface{} approach, measuring execution time and memory allocation on identical hardware to determine whether generics provide a measurable performance advantage.

BenchmarkGointerface{}

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Do Go Generics Really Outperform interface{}? A Detailed Benchmark

Ops Development & AI Practice

Mar 19, 2024 · Fundamentals

Unlocking Go 1.18: How Generics Empower Flexible, Type‑Safe Code

This article introduces Go's generics introduced in version 1.18, explains type parameters and constraints, demonstrates generic functions like a slice‑reversing utility, compares with the older interface{} approach, and highlights benefits such as type safety, clearer semantics, and performance gains.

GenericsGoType Parameters

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Unlocking Go 1.18: How Generics Empower Flexible, Type‑Safe Code