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ferret/pkg/stdlib/math/rand.go
2018-10-14 13:06:27 -04:00

22 lines
473 B
Go

package math
import (
"context"
"math/rand"
"github.com/MontFerret/ferret/pkg/runtime/core"
"github.com/MontFerret/ferret/pkg/runtime/values"
)
// Rand return a pseudo-random number between 0 and 1.
// @returns (Float) - A number greater than 0 and less than 1.
func Rand(_ context.Context, args ...core.Value) (core.Value, error) {
err := core.ValidateArgs(args, 0, 0)
if err != nil {
return values.None, err
}
return values.NewFloat(rand.Float64()), nil
}