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리뷰 놀이터/책

[도서 목차 정리] Effective Kotlin

by 돼지왕왕돼지 2022. 6. 21.
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Introduction: Be pragmatic

 

Part 1: Good code

Chapter 1: Safety
Item 1: Limit mutability
Item 2: Minimize the scope of variables
Item 3: Eliminate platform types as soon as possible
Item 4: Do not expose inferred types
Item 5: Specify your expectations on arguments and state
Item 6: Prefer standard errors to custom ones
Item 7: Prefer null or Failure result when the lack of result is possible
Item 8: Handle nulls properly
Item 9: Close resources with use
Item 10: Write unit tests

 

Chapter 2: Readability
Item 11: Design for readability
Item 12: Operator meaning should be consistent with its function name
Item 13: Avoid returning or operating on Unit?
Item 14: Specify the variable type when it is not clear
Item 15: Consider referencing receivers explicitly
Item 16: Properties should represent state, not behavior
Item 17: Consider naming arguments
Item 18: Respect coding conventions

 

 

Part 2: Code design

Chapter 3: Reusability
Item 19: Do not repeat knowledge
Item 20: Do not repeat common algorithms
Item 21: Use property delegation to extract common property patterns
Item 22: Use generics when implementing common algorithms
Item 23: Avoid shadowing type parameters
Item 24: Consider variance for generic types
Item 25: Reuse between different platforms by extracting common modules

 

Chapter 4: Abstraction design
Item 26: Each function should be written in terms of a single level of abstraction
Item 27: Use abstraction to protect code against changes
Item 28: Specify API stability
Item 29: Consider wrapping external API
Item 30: Minimize elements visibility
Item 31: Define contract with documentation
Item 32: Respect abstraction contracts

 

Chapter 5: Object creation
Item 33: Consider factory functions instead of constructors
Item 34: Consider a primary constructor with named optional arguments
Item 35: Consider defining a DSL for complex object creation

 

Chapter 6: Class design
Item 36: Prefer composition over inheritance
Item 37: Use the data modifier to represent a bundle of data
Item 38: Use function types instead of interfaces to pass operations and actions
Item 39: Prefer class hierarchies to tagged classes
Item 40: Respect the contract of equals
Item 41: Respect the contract of hashCode
Item 42: Respect the contract of compareTo
Item 43: Consider extracting non-essential parts of your API into extensions
Item 44: Avoid member extensions

 

 

Part 3: Efficiency


Chapter 7: Make it cheap
Item 45: Avoid unnecessary object creation
Item 46: Use inline modifier for functions with parameters of functional types
Item 47: Consider using inline classes
Item 48: Eliminate obsolete object references

 

Chapter 8: Efficient collection processing
Item 49: Prefer Sequence for big collections with more than one processing step
Item 50: Limit the number of operations
Item 51: Consider Arrays with primitives for performance- critical processing
Item 52: Consider using mutable collections

 

Dictionary 472

 

 

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