Tagged with use-cases

• Where Errors Belong: Use Case Outputs, Not Error Passed Around

  Published on 03 June 2026

  Most apps leak Error across boundaries and downcast in ViewModels. Model failures in the use case output vocabulary instead. Swift and Kotlin.

  • architecture
  • use-cases
  • clean
  • swift
  • kotlin
  • ios
  • android
  • errors

• Complex Forms Should Not Make Your ViewModel the Use Case

  Published on 14 May 2026

  Architect complex SwiftUI forms with drafts, validators, mappers, form operations, and use cases without making the ViewModel the whole feature.

  • swiftui
  • mvvm
  • architecture
  • forms
  • use-cases

• Use Cases in iOS Apps: Helpful Boundary or Extra Layer?

  Published on 29 April 2026

  Learn when use cases help iOS architecture, when they add noise, and how to keep them focused in Swift apps.

  • use-cases
  • clean
  • architecture
  • swift
  • ios