28 lines
784 B
Go
28 lines
784 B
Go
package configmgr
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import (
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"fmt"
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"github.com/AdguardTeam/golibs/timeutil"
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"golang.org/x/exp/constraints"
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)
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// numberOrDuration is the constraint for integer types along with
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// timeutil.Duration.
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type numberOrDuration interface {
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constraints.Integer | timeutil.Duration
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}
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// newMustBePositiveError returns an error about the value that must be positive
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// but isn't. prop is the name of the property to mention in the error message.
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//
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// TODO(a.garipov): Consider moving such helpers to golibs and use in AdGuardDNS
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// as well.
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func newMustBePositiveError[T numberOrDuration](prop string, v T) (err error) {
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if s, ok := any(v).(fmt.Stringer); ok {
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return fmt.Errorf("%s must be positive, got %s", prop, s)
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}
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return fmt.Errorf("%s must be positive, got %d", prop, v)
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}
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