declarative-maps-usage-scenario.go

package main

import (
	"fmt"
	"sort"
)

func main() {
	var script map[int]string

	papaLines := [4]string{
		"Johnny, Johnny",
		"Eating sugar?",
		"Telling lies?",
		"Open your mouth",
	}

	johnnyLines := [4]string{
		"Yes, papa!",
		"No, papa!",
		"No, papa!",
		"Ha ha ha!",
	}

	script = make(map[int]string)
	frames := cap(papaLines) + cap(johnnyLines)

	for frame := 0; frame < frames; frame++ {
		if frame < cap(papaLines) && frame < cap(johnnyLines) {
			conversation := fmt.Sprintf("Papa says: %s\nJohnny says: %s\n", papaLines[frame], johnnyLines[frame])
			script[frame] = conversation
		}
	}

	var keyframe []int
	for k := range script {
		keyframe = append(keyframe, k)
	}
	sort.Ints(keyframe)

	for _, k := range keyframe {
		fmt.Println(script[k])
	}
}

//Papa says: Johnny, Johnny
//Johnny says: Yes, papa!
//
//Papa says: Eating Sugar
//Johnny says: No, papa!
//
//Papa says: Telling Lies
//Johnny says: No, papa!
//
//Papa says: Open Your Mouth
//Johnny says: Ha ha ha!