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mirror of https://github.com/MontFerret/ferret.git synced 2025-03-19 21:28:32 +02:00
Paul aa058f3542
allow context cancellation in WAIT (#524)
* allow context cancellation in WAIT

* cancel context before running the program
2020-06-01 07:58:16 -04:00

32 lines
670 B
Go

package utils
import (
"context"
"time"
"github.com/MontFerret/ferret/pkg/runtime/core"
"github.com/MontFerret/ferret/pkg/runtime/values"
)
// Wait pauses the execution for a given period.
// @param timeout (Float|Int) - Number value which indicates for how long to stop an execution.
func Wait(ctx context.Context, args ...core.Value) (core.Value, error) {
err := core.ValidateArgs(args, 1, 1)
if err != nil {
return values.None, nil
}
arg := values.ToInt(args[0])
timer := time.NewTimer(time.Millisecond * time.Duration(arg))
select {
case <-ctx.Done():
timer.Stop()
return values.None, ctx.Err()
case <-timer.C:
}
return values.None, nil
}