Rafi Hasan
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    Writings

    2025 Letter

    Jan 1, 2026

    Reflections on 2025 and what's coming in 2026.

    Generics in Rust with Monomorphization

    Aug 25, 2023

    Generics in Rust is not like in any other mainstream programming language except for C++ and uses something called Monomorphization. This approach is fantastic since it is basically zero cost.

    What is "dyn" in Rust and How it Powers Polymorphism

    Aug 15, 2023

    An exploration of the "dyn" keyword in Rust, trait objects, and how they enable polymorphism through dynamic dispatch.

    Zero cost abstraction in Rust

    Jul 6, 2023

    Zero cost abstraction is a fancy term that simply means that adding high-level constructs like a newtype, type class or generics do not contribute to any runtime cost.

    Golang Concurrency And Workerpool: Part 2

    Dec 4, 2020

    Concurrency limiting worker pool. We deep dive into building a robust worker pool.

    Golang Concurrency And Workerpool: Part 1

    Nov 7, 2020

    Concurrency limiting worker pool. We deep dive into building a simple workerpool solution.

    © 2026 Rafi Hasan.

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