basics Flashcards
(11 cards)
1
Q
Front
A
Back
2
Q
How do you declare a variable in Go?
A
var x int = 42
3
Q
What’s the short variable declaration syntax in Go?
A
x := 42
4
Q
How do you define a function in Go?
A
func add(a int, b int) int { return a + b }
5
Q
How do you define a struct in Go?
A
type Person struct { Name string; Age int }
6
Q
How do you write a for loop in Go?
A
for i := 0; i < 10; i++ { fmt.Println(i) }
7
Q
How do you create a slice from an array in Go?
A
slice := arr[1:4]
8
Q
How do you return multiple values from a function in Go?
A
a, b := myFunc()
9
Q
How do you define an interface in Go?
A
type Reader interface { Read(p []byte) (n int, err error) }
10
Q
How do you write a switch statement in Go?
A
switch x := time.Now().Weekday(); x { case time.Saturday: … }
11
Q
How do you defer a function call in Go?
A
defer fmt.Println(“done”)
