# Arrays

define a1 as array of integer with value [1, 2, 3].
define a2 as array of boolean with value [true, false].
define a3 as array of float with size 64.

# Structs
define S1 as struct with body {
    define a as integer.
    define b as float.

    define sum as function returning integer with body {
        return sum of a from this and b from this.
    }.
}.

# Interfaces
define Gettable as interface with body {
    define get as function returning integer.
    define getAll as function returning array of integer.
    define getNone as function returning array of integer with body {
        return array of integer with value [].
    }.
}.