learngo/06-variables/03-short-declaration/questions

Which is a correct declaration?

• var int safe := 3
• var safe bool := 3
• safe := true CORRECT

Which is a correct declaration?

• var short := true
• int num := 1
• speed := 50 CORRECT
• num int := 2

Which is a correct declaration?

• x, y, z := 10, 20
• x = 10,
• y, x, p := 5, "hi", 1.5 CORRECT
• y, x = "hello", 10

Which declaration is equal to the following declaration?

var s string = "hi"

• var s int = "hi"
• s := "hi" CORRECT
• s, p := 2, 3

Which declaration is equal to the following declaration?

var n = 10

• n := 10.0
• m, n := 1, 0
• var n int = 10 CORRECT

What's the type of the s variable?

s := "hmm..."

• bool
• string CORRECT
• int
• float64

What's the type of the b variable?

b := true

• bool CORRECT
• string
• int
• float64

What's the type of the i variable?

i := 42

• bool
• string
• int CORRECT
• float64

What's the type of the f variable?

f := 6.28

• bool
• string
• int
• float64 CORRECT

What's the value of the x variable?

y, x := false, 20

• 10
• 20 CORRECT
• false

What's the value of the x variable?

y, x := false, 20
x, z := 10, "hi"

• 10 CORRECT
• 20
• false

Which following declaration can be used in the package scope?

• x := 10
• y, x := 10, 5
• var x, y = 5, 10