19 Answers to Exercises

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19.1 Optic Anatomy

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19.2 Lens Actions

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19.3 Records Part One

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19.4 Records Part Two

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Laws

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19.5 Virtual Fields

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19.6 Self-Correcting Lenses

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19.7 Polymorphic Lenses

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19.8 Lens Composition

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19.9 Operators

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19.10 Simple Folds

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19.11 Writing Custom Folds

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19.12 Querying Using Folds

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19.13 Higher Order Folds

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19.14 Filtering

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19.15 Simple Traversals

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19.16 Traversal Actions

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19.17 Custom Traversals

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19.18 Traversal Laws

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19.19 partsOf

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19.20 Indexable Structures

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19.21 Custom Indexed Structures

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19.22 Missing Values

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19.23 Prisms

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19.24 Custom Prisms

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19.25 Prism Laws

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19.26 Intro to Isos

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19.27 Projected Isos

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19.28 Iso Laws

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19.29 Indexed Optics

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19.30 Index Filters

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19.31 Custom Indexed Optics

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19.32 Type Errors

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First Foe: Level 1 Lenslion

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Level 2 Tuplicant

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Level 3 Settersiren

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Level 4 Composicore

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Level 5 Foldasaurus

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Level 6 Foldasaurus

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Level 7 Traversacula

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19.33 Kubernetes API

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BONUS Questions

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19.34 Uniplate

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19.35 Generic Lens

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