14 lines
309 B
Go
14 lines
309 B
Go
package go_koans
|
|
|
|
type coolNumber int
|
|
|
|
func (cn coolNumber) multiplyByTwo() int {
|
|
return int(cn) * 2
|
|
}
|
|
|
|
func aboutTypes() {
|
|
i := coolNumber(4)
|
|
assert(i == coolNumber(4)) // values can be converted between compatible types
|
|
assert(i.multiplyByTwo() == 8) // you can add methods on any type you define
|
|
}
|