The Unit return type declaration is optional for functions. The following codes are equivalent. Single-Expression functions:When a function returns a single expression, the curly braces can be omitted and the body is specified after = symbol
|
1 |
fun sum(a : Int, b : Int) : Int = a + b |
Explicitly declaring the return type is optional when this can be inferred by the compiler
|
1 |
fun sum(a : Int, b : Int) = a + b |
String interpolation: […]