Initial data commit

Task/Substring-Top-and-tail/Go/substring-top-and-tail.go

@@ -0,0 +1,23 @@
+package main
+
+import (
+    "fmt"
+    "unicode/utf8"
+)
+
+func main() {
+    // ASCII contents:  Interpreting "characters" as bytes.
+    s := "ASCII"
+    fmt.Println("String:                ", s)
+    fmt.Println("First byte removed:    ", s[1:])
+    fmt.Println("Last byte removed:     ", s[:len(s)-1])
+    fmt.Println("First and last removed:", s[1:len(s)-1])
+    // UTF-8 contents:  "Characters" as runes (unicode code points)
+    u := "Δημοτική"
+    fmt.Println("String:                ", u)
+    _, sizeFirst := utf8.DecodeRuneInString(u)
+    fmt.Println("First rune removed:    ", u[sizeFirst:])
+    _, sizeLast := utf8.DecodeLastRuneInString(u)
+    fmt.Println("Last rune removed:     ", u[:len(u)-sizeLast])
+    fmt.Println("First and last removed:", u[sizeFirst:len(u)-sizeLast])
+}