Initial data commit

Task/Substring/Go/substring-1.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+    "fmt"
+    "strings"
+)
+
+func main() {
+    s := "ABCDEFGH"
+    n, m := 2, 3
+    // for reference
+    fmt.Println("Index: ", "01234567")
+    fmt.Println("String:", s)
+    // starting from n characters in and of m length
+    fmt.Printf("Start %d, length %d:    %s\n", n, m, s[n : n+m])
+    // starting from n characters in, up to the end of the string
+    fmt.Printf("Start %d, to end:      %s\n", n, s[n:])
+    // whole string minus last character
+    fmt.Printf("All but last:         %s\n", s[:len(s)-1])
+    // starting from a known character within the string and of m length
+    dx := strings.IndexByte(s, 'D')
+    fmt.Printf("Start 'D', length %d:  %s\n", m, s[dx : dx+m])
+    // starting from a known substring within the string and of m length
+    sx := strings.Index(s, "DE")
+    fmt.Printf(`Start "DE", length %d: %s`+"\n", m, s[sx : sx+m])
+}