Map-backed properties 30
Custom delegation 30
Delegate Can be used as a layer to reduce boilerplate 31
Chapter 13: DSL Building 33
Introduction 33
Examples 33
Infix approach to build DSL 33
Overriding invoke method to build DSL 33
Using operators with lambdas 33
Using extensions with lambdas 34
Chapter 14: Enum 35
Remarks 35
Examples 35
Initialization 35
Functions and Properties in enums 35
Simple enum 36
Mutability 36
Chapter 15: Exceptions 37
Examples 37
Catching exception with try-catch-finally 37
Chapter 16: Extension Methods 38
Syntax 38
Remarks 38
Examples 38
Top-Level Extensions 38
Potential Pitfall: Extensions are Resolved Statically 38
Sample extending long to render a human readable string 39
Sample extending Java 7+ Path class 39
Using extension functions to improve readability 39
Sample extending Java 8 Temporal classes to render an ISO formatted string 40
Extension functions to Companion Objects (appearance of Static functions) 40
Lazy extension property workaround 41
