package go_koans

func aboutAllocation() {
  a := new(int)
  *a = 3
  assert(*a == __int__) // new() creates a pointer to the given type, like malloc() in C

  type person struct {
    name string
    age  int
  }
  bob := new(person)
  assert(bob.age == __int__) // it can allocate memory for custom types as well

  slice := make([]int, 3)
  assert(len(slice) == __int__) // make() creates slices of a given length

  slice = make([]int, 3, __positive_int__) // but can also take an optional capacity
  assert(cap(slice) == 20) 

  m := make(map[int]string)
  assert(len(m) == __int__) // make() also creates maps
}