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Article0 replies4,228 followingPosted 09 Apr 2026, 21:28 UTC104.8K views2,823 votes

Haxe Type Safety: Choosing Between Abstract Types and Classes

Learn when to use Haxe Abstracts versus Classes to eliminate primitive obsession and reduce runtime memory overhead in domain-driven designs.

Community & Careers · Guide

Tasadduq Burneyowner

Started09 Apr 2026, 21:28 UTC

Level 38Owner34,775 rep points

Community & Careers

Article0 replies876 followingPosted 30 Nov 2025, 11:11 UTC60.6K views2,951 votes

Using EF Core Owned Types to Model Value Objects: Architecture, Checks, and Failure Mitigation

EF Core Owned Types let you embed value objects into an entity’s table, keeping the schema flat while preserving domain integrity. This guide covers the minimal design, trust boundaries, operational checks, failure modes, and when to shift to a separate entity.

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entityframeworkcore domain-driven-design value-objects

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Article0 replies1,438 followingPosted 22 Mar 2026, 13:50 UTC72.2K views3,246 votes

Eliminating Illegal States in F# with Discriminated Unions

Stop relying on boolean flags and nullable fields. Learn how F# Discriminated Unions make illegal domain states unrepresentable and leverage compile-time exhaustiveness checks.

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domain-driven-design functional-programming

dotnet

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Article0 replies2,089 followingPosted 12 Dec 2025, 02:55 UTC11.4K views2,785 votes

Modeling Domain Logic with Scala Case Classes and Sealed Traits

Stop relying on fragile if/else blocks for domain logic. Learn how to combine Scala's sealed traits and case classes to create type-safe, exhaustive data models.

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domain-driven-design functional-programming

scala

Community & Careers

Article0 replies1,745 followingPosted 11 Mar 2026, 13:58 UTC121.4K views4,786 votes

Preventing Domain Logic Errors with Scala 3 Opaque Types

Learn how to use Scala 3 opaque types to eliminate primitive obsession and prevent domain logic errors with zero runtime overhead.

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opaque-types domain-driven-design

scala

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Article0 replies2,346 followingPosted 09 Jan 2026, 19:01 UTC72.3K views970 votes

Zero‑Cost Domain Types in Scala 3: Opaque Types Explained

Learn how Scala 3 opaque types give you compile‑time safety without runtime overhead, how they differ from value classes and case classes, see a worked example, and understand key trade‑offs.

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opaque-types domain-driven-design

scala

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Article0 replies1,168 followingPosted 05 Jul 2025, 13:43 UTC63K views4,306 votes

Using JHipster JDL as a Single Source of Truth for Domain Models

Treat JHipster's JDL as the canonical domain contract. This blog shows a concrete order-domain example, explains how protected regions preserve custom logic during re-imports, and outlines a safe adoption path for existing projects.

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jhipster code-generation domain-driven-design

Community & Careers

Article1 reply1 comment1,296 followingPosted 01 Feb 2026, 09:32 UTC117.7K views2,387 votes

owner commented

Enforcing Domain Boundaries in PureScript with Newtypes and Row Polymorphism

Learn how to use PureScript Newtypes and Row Polymorphism to eliminate primitive obsession and enforce strict data boundaries using the 'Parse, don't validate' pattern.

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domain-driven-design

purescript functional-programming