Golang Code

Common declarations and formatting of code in Go

variable declaration without a corresponding initialization

var x int

variable declaration shorthand syntax within golang functions

:=

variable declaration with declared type

var a string = "initial"

for-loop w/ single condition

for i <= 3 { 
	fmt.Println(i)
	i = i + 1
}

classic for-loop

for j:= 0; j < 3; j++ {
	fmt.Println(j)
}

for-loop w/ range

for i := range 3 {
	fmt.Println("range", i)
}

for-loop w/out condition

for {
	fmt.Println("loop")
	break
}

basic if/else

if a = true {
    fmt.Println("True")
else {
    fmt.Println("False")
}

basic switch statement

switch i {
    case 1:
        fmt.Println("one")
    case 2:
        fmt.Println("two")
    case 3:
	fmt.Println("three")

array declaration of size 5

var a [5]int

array declaration of size 5 with initialization of 5 ints

b = [5]int{1, 2, 3, 4, 5}

Array Declaration w/ initializations and complier determined size

b = [...]int{1, 2, 3, 4, 5}

2D Array declaration

twoD := [2][3]int{
	{1, 2, 3}, 
	{1, 2, 3},
}

basic slice declaration of type string

var s []string

Slice Declaration w/ non-zero length and capacity

s = make([]string, length, capacity)

Copy a Slice

var s  = []string{"a", "b", "c"}
c := make([]string, len(s))
copy(c, s)

2D Slice

twoD := [][]int{
	{1, 2, 3}, 
	{4, 5, 6},
}