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golangHow to generate random float


package main
import ("math/rand"; "time")

func main() {
  rnd := rand.New( rand.NewSource(time.Now().UnixNano()) )
  num := rnd.Float64() * 2 + 10
}ctrl + c
package main

default package declaration

"math/rand"

lib for random numbers generation

rand.New

init new random generator with given seed

.Float64()

returns random float from 0 to 1 exclusively

2

final generated number will start from 2

10

final generated number will end with 12

num

will contain generated float