89 lines
2.5 KiB
Go
89 lines
2.5 KiB
Go
// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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// For more tutorials : https://learngoprogramming.com
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// In-person training : https://www.linkedin.com/in/inancgumus/
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// Follow me on twitter: https://twitter.com/inancgumus
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// ---------------------------------------------------------
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// EXERCISE: Set an Alarm
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//
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// Goal is printing " ALARM! " every 10 seconds.
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//
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// EXPECTED OUTPUT
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//
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// ██ ███ ███ ██ ███ ███
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// █ █ ░ █ █ ░ █ █ █
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// █ ███ ███ █ ███ ███
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// █ █ ░ █ █ ░ █ █
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// ███ ███ ███ ███ ███ ███
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//
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// ███ █ ███ ██ █ █ █
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// █ █ █ █ █ █ █ ███ █
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// ███ █ ███ ██ █ █ █
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// █ █ █ █ █ █ █ █ █
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// █ █ ███ █ █ █ █ █ █ █
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//
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// ██ ███ ███ ██ █ █ ██
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// █ █ ░ █ █ ░ █ █ █
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// █ ███ ███ █ ███ █
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// █ █ ░ █ █ ░ █ █
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// ███ ███ ███ ███ █ ███
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//
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// HINTS
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//
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// <<< BEWARE THE SPOILER! >>>
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//
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// I recommend you to first solve the exercise yourself before reading the
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// following hint.
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//
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//
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// + You can create a new array named alarm with the same length of the
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// clocks array, so you can copy the alarm array to the clocks array
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// every 10 seconds.
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//
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// ---------------------------------------------------------
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package main
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import (
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"fmt"
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"time"
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"github.com/inancgumus/screen"
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)
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func main() {
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screen.Clear()
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for {
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screen.MoveTopLeft()
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now := time.Now()
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hour, min, sec := now.Hour(), now.Minute(), now.Second()
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clock := [...]placeholder{
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digits[hour/10], digits[hour%10],
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colon,
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digits[min/10], digits[min%10],
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colon,
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digits[sec/10], digits[sec%10],
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}
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for line := range clock[0] {
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for index, digit := range clock {
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// colon blink
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next := clock[index][line]
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if digit == colon && sec%2 == 0 {
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next = " "
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}
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fmt.Print(next, " ")
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}
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fmt.Println()
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}
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time.Sleep(time.Second)
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}
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}
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