Kotlin Functions Every Developer Should Know with Examples

Certainly! Here’s a collection of essential Kotlin functions that every developer should know, along with examples for each function:

let:

val name: String? = "John" 
name?.let {
     println("Name is not null: $it") 
}

run:

Use run to execute a block of code on an object, and it returns the result of the last expression.

val result = "Kotlin".run {
     println("The length is: $length")
     length * 2 
}

with:

Use with to work with an object without the need to prefix each property or method with the object's name.

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