Files
go-koans/about_anonymous_functions.go
2012-03-16 08:34:26 -05:00

30 lines
497 B
Go

package go_koans
func aboutAnonymousFunctions() {
{
i := 1
increment := func() {
i++
}
increment()
assert(i == __int__) // closures function in an obvious way
}
{
i := 1
increment := func(x int) {
x++
}
increment(i)
assert(i == __int__) // although anonymous functions need not always be closures
}
{
double := func(x int) int { return x * 2 }
assert(double(3) == __int__) // they can do anything our hearts desire
}
}