Check out example codes for "kotlin curly braces after function call". It will help you in understanding the concepts better.

Code Example 1

// put whole lambda in parentheses
list.any({ i: Int -> i > 0 })
// if its the last parameter, you can move lambda out of parentheses
list.any() { i : Int -> i > 0}
// if its the only parameters, you can remove parentheses
list.any { i: Int -> i > 0 }
// if lambda has the only argument, you can replace its name with 'it'
list.any{ it > 0 }

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