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ferret/pkg/stdlib/datetime/hour.go

28 lines
610 B
Go

package datetime
import (
"context"
"github.com/MontFerret/ferret/pkg/runtime/core"
"github.com/MontFerret/ferret/pkg/runtime/values"
)
// DateHour returns the hour of date as a number.
// @params date (DateTime) - source DateTime.
// @return (Int) - a hour number.
func DateHour(_ context.Context, args ...core.Value) (core.Value, error) {
err := core.ValidateArgs(args, 1, 1)
if err != nil {
return values.None, err
}
err = core.ValidateType(args[0], core.DateTimeType)
if err != nil {
return values.None, err
}
hour := args[0].(values.DateTime).Hour()
return values.NewInt(hour), nil
}