10/31/2023 0 Comments Kotlin by lazy with parameterLet’s take a look! □ Initialize now or later? Creating themĬreating a lazy property in Kotlin is pretty simple, we define it using by lazy and provide a function initializer. There is some new syntax, some different options for initializing them and various situations in which they can be really useful. ![]() When it comes to defining lazy properties in Kotlin, they have been brought into being part of the language. There were common approaches to a form of lazy creation in Java, it was hard to live in the Java world without coming across a getInstance() function at some point! The idea of making a property lazy is not new to Kotlin and many developers having been doing it in other languages or doing it themselves for ages. In Kotlin this is where delegated properties and lazy properties in particular can be used, allowing properties to be initialized when they are needed and even keep our main type’s initialization simpler and cleaner. Do you have properties in your Kotlin types that you want to create later after initialization? You may want to avoid making them nullable, avoid using lateinit or delay an expensive set up process to a later point.
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