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An answer of the exercise: Slices on a tour of Go
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| package main | |
| import "code.google.com/p/go-tour/pic" | |
| func Pic(dx, dy int) [][]uint8 { | |
| x := make([]uint8, dx) | |
| y := make([][]uint8, dy) | |
| for n := range y { | |
| y[n] = x | |
| for m := range x { | |
| y[n][m] = uint8((n+m)/2) | |
| } | |
| } | |
| return y | |
| } | |
| func main() { | |
| pic.Show(Pic) | |
| } |
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Here's another answer, mainly pasting to show diff approach on the for statement, using range instead of incrementing.