refactor: challenge files and explanations

15-arrays-project-clock/02-printing-the-clock/main.go

@@ -0,0 +1,123 @@
+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+// ★★★★★★★★★★★★★★★★★★★★★★★★★★★
+// ★ GOAL 2  : Printing the Clock
+// ★★★★★★★★★★★★★★★★★★★★★★★★★★★
+//
+// 1. Get the current time
+//
+// 2. Get the current hour, minute and second from the current time
+//
+// 3. Create the clock array by getting the digits from the digits array
+//
+// 4. Print the clock by using the clock array
+//
+// 5. Create a separator array (it's also a placeholder type)
+//
+// 6. Add the separators into the correct positions of the clock array
+
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	type placeholder [5]string
+
+	zero := placeholder{
+		"███",
+		"█ █",
+		"█ █",
+		"█ █",
+		"███",
+	}
+
+	one := placeholder{
+		"██ ",
+		" █ ",
+		" █ ",
+		" █ ",
+		"███",
+	}
+
+	two := placeholder{
+		"███",
+		"  █",
+		"███",
+		"█  ",
+		"███",
+	}
+
+	three := placeholder{
+		"███",
+		"  █",
+		"███",
+		"  █",
+		"███",
+	}
+
+	four := placeholder{
+		"█ █",
+		"█ █",
+		"███",
+		"  █",
+		"  █",
+	}
+
+	five := placeholder{
+		"███",
+		"█  ",
+		"███",
+		"  █",
+		"███",
+	}
+
+	six := placeholder{
+		"███",
+		"█  ",
+		"███",
+		"█ █",
+		"███",
+	}
+
+	seven := placeholder{
+		"███",
+		"  █",
+		"  █",
+		"  █",
+		"  █",
+	}
+
+	eight := placeholder{
+		"███",
+		"█ █",
+		"███",
+		"█ █",
+		"███",
+	}
+
+	nine := placeholder{
+		"███",
+		"█ █",
+		"███",
+		"  █",
+		"███",
+	}
+
+	digits := [...]placeholder{
+		zero, one, two, three, four, five, six, seven, eight, nine,
+	}
+
+	for line := range digits[0] {
+		for digit := range digits {
+			fmt.Print(digits[digit][line], "  ")
+		}
+		fmt.Println()
+	}
+}