feat: acronym function added

example/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+
 	"github.com/gobeam/stringy"
 )
 
@@ -79,4 +80,8 @@ func main() {
 
 	pun := stringy.New("this really is a cliff")
 	fmt.Println(pun.Suffix("hanger")) // this really is a cliffhanger
+
+	acronym := stringy.New("Laugh Out Loud")
+	// fmt.Println(acronym.Acronym().Get())     // LOL
+	fmt.Println(acronym.Acronym().ToLower()) // lol
 }

stringy.go

@@ -18,6 +18,7 @@ type input struct {
 
 // StringManipulation is an interface that holds all abstract methods to manipulate strings
 type StringManipulation interface {
+	Acronym() StringManipulation
 	Between(start, end string) StringManipulation
 	Boolean() bool
 	CamelCase(rule ...string) string
@@ -50,6 +51,20 @@ func New(val string) StringManipulation {
 	return &input{Input: val}
 }
 
+// Acronym func returns acronym of input string.
+// You can chain to upper which with make result all upercase or ToLower
+// which will make result all lower case or Get which will return result as it is
+func (i *input) Acronym() StringManipulation {
+	input := getInput(*i)
+	words := strings.Fields(input)
+	var acronym string
+	for _, word := range words {
+		acronym += string(word[0])
+	}
+	i.Result = acronym
+	return i
+}
+
 // Between takes two string params start and end which and returns
 // value which is in middle of start and end part of input. You can
 // chain to upper which with make result all upercase or ToLower which

stringy_test.go

@@ -6,6 +6,14 @@ import (
 
 var sm StringManipulation = New("This is example.")
 
+func TestInput_Acronym(t *testing.T) {
+	acronym := New("Laugh Out Loud")
+	val := acronym.Acronym().Get()
+	if val != "LOL" {
+		t.Errorf("Expected: %s but got: %s", "IS", val)
+	}
+}
+
 func TestInput_Between(t *testing.T) {
 	val := sm.Between("This", "example").ToUpper()
 	if val != "IS" {