func R(num, den int64) data.Number {
	return data.MustParseRatio(fmt.Sprintf("%d/%d", num, den))
}
R constructs a Ratio
package helpers
import (
	"fmt"
	"github.com/kode4food/ale/data"
)
func B(value bool) data.Bool {
	return data.Bool(value)
}
func C(k, v data.Value) data.Cons {
	return data.NewCons(k, v)
}
func F(f float64) data.Float {
	return data.Float(f)
}
func I(i int64) data.Integer {
	return data.Integer(i)
}
func K(s string) data.Keyword {
	return data.Keyword(s)
}
func L(args ...data.Value) data.List {
	return data.NewList(args...)
}
func LS(n string) data.Symbol {
	return data.NewLocalSymbol(N(n))
}
func N(s string) data.Name {
	return data.Name(s)
}
func O(p ...data.Pair) data.Object {
	return data.NewObject(p...)
}