Jeremy D. Miller • 4/20/2026

Customizing the Wolverine Code Generation Model

This article explains how to customize the Wolverine application framework's code generation to transform message handlers into synchronous pure functions. It demonstrates replacing a handler that manually fetches a report ID via an async service with a cleaner, testable version that receives the ID as a parameter. The article covers using custom value types, MartenOps for side effects, and teaching Wolverine to automatically generate and inject ReportId values. Aimed at developers using Wolverine and Marten, it focuses on functional programming patterns and code simplification.

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#code generation #Dotnet #Customization