Create StringCombinations.go

Author: dynamitechetan

StringCombinations.go

@@ -0,0 +1,32 @@
+/*
+  String combinations in Go
+*/
+package main
+
+import "fmt"
+
+type Combinations struct {
+	out []rune
+	in  []rune
+}
+
+func startCombinations(input string) {
+	c := &Combinations{
+		in: []rune(input),
+	}
+
+	c.Combine(0)
+}
+
+func (c *Combinations) Combine(seed int) {
+	inLen := len(c.in)
+	for i := seed; i < inLen-1; i++ {
+		c.out = append(c.out, c.in[i])
+		fmt.Println(string(c.out))
+		c.Combine(i + 1)
+		c.out = c.out[:len(c.out)-1]
+	}
+	c.out = append(c.out, c.in[inLen-1])
+	fmt.Println(string(c.out))
+	c.out = c.out[:len(c.out)-1]
+}