My thoughts after using Clojure for about a month

A developer has documented their experiences after using Clojure for approximately a month to build a static site generator, highlighting its strengths and challenges. This firsthand account offers insights into Clojure’s practicality for personal projects and its potential for broader use.

The developer chose Clojure as a language to learn and experiment with, initially skeptical due to its syntax but ultimately finding it ergonomic and powerful. They compared it favorably to Common Lisp and Scheme, citing Clojure’s cohesive design, the seq abstraction, and its standard library as key advantages.

They noted that Clojure’s data structures—lists, vectors, hash-maps, and sets—are well-chosen and treated equally, making them ergonomic for real-world programming. Despite initial discomfort with the syntax, including brackets and unquote symbols, they have grown accustomed and appreciate the uniformity.

The developer identified some pain points, such as the complexity of Clojure’s syntax, which includes multiple brackets and special characters, and the necessity of understanding Java interop, as Clojure runs on the JVM. They admitted to a lack of Java knowledge but have managed to work with the interop conventions so far.

Despite these challenges, they plan to continue using Clojure, motivated by its ease of use, ecosystem, and the opportunity to deepen their understanding of the Java platform. They are currently exploring Project Euler problems in Clojure as a way to gain more experience.

Why It Matters

This account matters because it demonstrates that Clojure, often viewed as a niche or academic language, can be practical and enjoyable for personal projects and hobbyist programming. Its design principles and ecosystem may appeal to developers seeking a cohesive Lisp dialect with modern features and JVM interoperability.

Background

Clojure was created by Rich Hickey in the mid-2000s as a modern Lisp targeting the JVM. It has a reputation for being pragmatic and cohesive, with a focus on immutability and functional programming. Compared to Common Lisp and Scheme, Clojure emphasizes simplicity and interoperability, making it suitable for both hobbyist and professional use. This user’s experience reflects broader discussions about Clojure’s learning curve and ecosystem maturity.

“Clojure is more cohesive as a language, with the seq abstraction and uniform data structures making it ergonomic and practical.”

— the author

“The syntax is more complex than I initially thought, but I’ve grown accustomed and even appreciate its uniformity over time.”

— the author

“Despite some pain points, I plan to stick with Clojure because it’s fun, easy to use, and the ecosystem is promising for hobbyist projects.”

— the author

What Remains Unclear

It remains unclear how well Clojure will scale for larger, more complex projects or how steep the learning curve will be for Java interop in the long term. The author’s experience is limited to personal experimentation, and broader community feedback may differ.

What’s Next

The developer plans to deepen their Clojure skills by tackling more complex projects, such as Project Euler problems, and exploring the Java ecosystem further. They may also evaluate Clojure’s suitability for other personal or hobbyist applications.

Key Questions

Is Clojure suitable for professional software development?

Clojure is used in some professional contexts, especially where JVM interoperability and functional programming are valued. However, its suitability depends on project requirements and team expertise.

What are the main challenges of learning Clojure?

The primary challenges include mastering its syntax, understanding Java interop, and adapting to its functional programming paradigm if coming from imperative languages.

How steep is the learning curve for Clojure compared to other Lisp dialects?

It varies; some find Clojure’s cohesive design and standard library make it easier to learn than more fragmented Lisp dialects, but the syntax and JVM integration can pose initial hurdles.

Can Clojure be used for large-scale applications?

Yes, Clojure has been used in large-scale systems, but its suitability depends on the project’s architecture and the team’s familiarity with functional programming and JVM ecosystem.

Source: Hacker News