add: slice exercises

16-slices/exercises/01-declare-nil/main.go

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+// 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/
+//
+
+package main
+
+// ---------------------------------------------------------
+// EXERCISE: Declare nil slices
+//
+//  1. Declare the following slices as nil slices:
+//
+//    1. The names of your friends (names slice)
+//
+//    2. The distances to locations (distances slice)
+//
+//    3. A data buffer (data slice)
+//
+//    4. Currency exchange ratios (ratios slice)
+//
+//    5. Up/Down status of web servers (alives slice)
+//
+//
+//  2. Print their type, length and whether they're equal to nil value or not.
+//
+//
+// EXPECTED OUTPUT
+//  names    : []string 0 true
+//  distances: []int 0 true
+//  data     : []uint8 0 true
+//  ratios   : []float64 0 true
+//  alives   : []bool 0 true
+// ---------------------------------------------------------
+
+func main() {
+}