...
| Code Block |
|---|
package main
import (
"fmt"
)
func main(){
var x int
x = 5
fmt.Println(x)
} |
Loops
...
x := 7
if x > 6 {
fmt.Println("More than 6")
} else if x < 2 {
} else {
}
} |
Arrays
| Code Block |
|---|
package main
import (
"fmt"
)
func main(){
//fix size
var a [5]int
a[2] = 7
fmt.Println(a)
a:= [5]int{5,4,3,2,1}
fmt.Println(a)
//slices
a:= [] int{5,4,3,2,1}
a = append(a,13)
fmt.Println(a)
} |
Maps
| Code Block |
|---|
package main
import (
"fmt"
)
func main(){
vertices := make(map[string]int)
vertices["triangle"] = 2
vertices["square"] = 3
vertices["tree"] = 12
delete(vertices, "square")
fmt.Println(vertices["traingle"])
fmt.Println(vertices)
} |
Loops
The only type of look in go is the for loop.
| Code Block |
|---|
package main
import (
"fmt"
)
func main(){
//for loop
for i :=0; i<5; i++{
fmt.Println(i)
}
//while loop
j:=0
for j<5 {
fmt.Println(j)
j++
}
//loop over array or slice
arr := []string{"a"m"b","c"}
for index, value := range arr {
fmt.Println("index:", index, "value:", value)
}
//loop over a map
m := make(map[string]int)
m["triangle"] = 2
m["square"] = 3
for key, value := range m {
fmt.Println("key:", key, "value:", value)
}
} |
FunctionsÂ
Example showing error return
...