Kotlin Keyword to Reference Single Parameter

Learn about an important keyword and how to use it in Kotlin.

The keyword it

In Kotlin, the keyword it is a shorthand notation that allows us to reference a single parameter in a lambda or anonymous function, thereby making our code more concise and readable. We typically use it when we have a lambda with only one parameter. Instead of explicitly naming the parameter, we can use it to reference it. Here’s an example:

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