Complex numbers as coordinates

complex_coord.go

package main

import "fmt"

type WalkFunc func(a *complex128)

func main() {
  coord := 0 + 0i;

  up := func(a *complex128) { *a += (1+0i) }
  left := func(a *complex128) { *a += (0+-1i) }
  right := func(a *complex128) { *a += (0+1i) }
  down := func(a *complex128) { *a += (-1+0i) }

  mymap := make(map[complex128]bool, 0)

  walkPath := []WalkFunc {
    up, left, left, up, right,
    up, up, up, left, down,
  }

  fmt.Println(coord)

  mymap[coord] = true
  for _, walk := range walkPath {
    walk(&coord)
    mymap[coord] = true
    fmt.Println(coord)
  }

  fmt.Println(coord)
  fmt.Println(mymap)
}