#Functional Programming

Articles about Functional Programming — exploring patterns, best practices, and real-world implementations in production systems.

2 posts tagged with functional programming. ← All posts

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Pratik Dhanave · ·6 min read

Iterators

Iterators are how Rust does loops without writing loops — a chain of composable adapters (map, filter, collect) that reads like a description of what you want, not how to get it. And the astonishing part is that this high-level, functional style compiles to code as fast as a hand-written loop. Zero-cost abstraction, at its most delightful.

Iterators are how Rust does loops without writing loops — a chain of composable adapters (map, filter, collect) that reads like a description of what you want. And the astonishing part is that this high-level style compiles to code as fast as a hand-written loop.

#Rust#Systems Programming#Programming Languages#Functional Programming
Pratik Dhanave · ·6 min read

Closures

Closures are anonymous functions that can capture variables from around them — and in Rust, the ownership model makes "capture" a precise, three-way question: does the closure borrow, mutably borrow, or take ownership of what it captures? Understanding that is what makes closures (and the iterators that depend on them) click.

Closures are anonymous functions that capture variables from around them — and in Rust the ownership model makes 'capture' a precise, three-way question: does the closure borrow, mutably borrow, or take ownership of what it captures?

#Rust#Systems Programming#Programming Languages#Functional Programming

All posts on this site are written by Pratik Dhanave, an Agentic AI Architect with 7+ years building production distributed systems, multi-agent AI platforms, and cloud-native infrastructure. About the author → Each article includes working code, architecture diagrams, and references to the specific frameworks and standards discussed. Browse all posts or explore related topics using the tag cloud above.