// using the const keywordconsta=10// using the let keywordletb=10// using the var keywordvarc=10console.log(a,b,c)// returns 10, 10, 10

// using the var keywordvara=10// go detects the type here even though we don't specifyfmt.Println(a)// returns 10fmt.Printf("variable a is of type: %T\n",a)// returns int// using the const keywordconstb=20// It is important to note that the value of b must be known at compile-timefmt.Println(b)// returns 20// variable decalred but not assgined a value returns the zero value of the typevarcboolfmt.Println(c)// returns the zero value(zero value of a boolean is false)// using the short variable declaration syntaxd:="this is a variable"// go detects the type of this variablefmt.Println(d)// returns this is a variablefmt.Printf("d is of type: %T\n",d)// returns the type(string)

letmyArray=[1,"this is array",true,100.30]console.log(myArray)// returns [1, "this is array", true, 100.30]// we can remove the last item in an array using the pop methodmyArray.pop()console.log(myArray)// returns [1, "this is array", true]// we can add to the end of the array using the push methodmyArray.push(20)console.log(myArray)// returns [1, "this is array", true, 20]// we can remove the first item of the array using the shift methodmyArray.shift()console.log(myArray)// returns ["this is array", true, 20]// we can add to the start of the array using the unshift methodmyArray.unshift(210)console.log(myArray)// returns [210, "this is array", true, 20]

a:=[5]string{"a","b","c","d","e"}// length is 5fmt.Println(a)// returns [a b c d e]// But what happens if we don't specify exactly 5 itemsb:=[5]string{"a","b","c"}fmt.Printf("%#v",b)// returns [5]string{"a", "b", "c", "", ""}// "" represents the zero value(zero value of a string is "")

a:=[]string{"a","b","c"}fmt.Printf("%#v",a)//  returns []string{"a", "b", "c"}// adding to a slice, we can use the append method to add an item to a slicea=append(a,"d")// append takes in the the array and the value we are addingfmt.Printf("%#v",a)// returns []string{"a", "b", "c", "d"}// removing from a slice by slicinga=append(a[0:3])// 0 represents the index, while 3 represents the positionfmt.Printf("%#v",a)// returns []string{"a", "b", "c"}// slices can also be created using the make method(in-built)// the first value is the type, the second and the third value is the length and maximum capacity of the sliceb:=make([]string,3,5)fmt.Printf("length of b is:%#v, and cap of b is:%#v\n",len(b),cap(b))// returns length of b is:3, and cap of b is:5

// using the function keywordfunctiona(value){returnvalue}constval=a("this is the value")console.log(val)// using arrow functionconstb=((value)=>value)constval2=b("this is another value")console.log(val2)

funca(){fmt.Println("this is a function")}a()// returns "this is a function"// parameters and return type can also be specifiedfuncb(a,bint)int{// takes in value of type int and returns an intresult:=a*breturnresult}val:=b(5,6)fmt.Println(val)// returns 30

constmusic={genre:"fuji",title:"consolidation",artist:"kwam 1",release:2010,hit:true}console.log(music)// returns {genre: "fuji", title: "consolidation", artist: "kwam 1", release: 2010, hit: true}

typeMusicstruct{genrestringtitlestringartiststringreleaseinthitbool}ms:=Music{genre:"hiphop",title:"soapy",artist:"naira marley",release:2019,hit:true,}fmt.Printf("%#v\n",ms)// returns main.Music{genre:"hiphop", title:"soapy", artist:"naira marley", release:2019, hit:true}