func (chance *Chance) Float() float64 {
	sign := 1
	if chance.Bool() {
		sign = -1
	}
	return float64(math.MaxInt64) * chance.r.Float64() * float64(sign)
}
Float returns any valid floating point number in range [-MaxInt64..+MaxInt64]
package chance
import (
	"fmt"
	"math"
	"strings"
)