Lenses, prisms, and traversals are composable abstractions that solve Java's immutability gap by treating access paths as first-class values. Lenses focus on exactly one value in product types, prisms handle optional variants in sum types, and traversals operate on zero or more values in collections. Using Higher-Kinded-J's
Table of contents
Setting Up Higher-Kinded-JArticle CodeLenses: The FoundationPrisms: Sum Type AccessTraversals: Bulk OperationsComposition PatternsEffect-Polymorphic Operations: A PreviewIntroducing the Expression LanguageSummaryFurther ReadingSort: