v := Var{Name: name, DefaultValue: strconv.FormatInt(int64(defaultValue), 10), Description: description, Type: INT}
	RegisterVar(v)
	return IntVar{getVar(name)}
}

// RegisterFloatVar registers a new floating-point environment variable.
func RegisterFloatVar(name string, defaultValue float64, description string) FloatVar {
	v := Var{Name: name, DefaultValue: strconv.FormatFloat(defaultValue, 'G', -1, 64), Description: description, Type: FLOAT}