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go-micro/config/source/flag/options.go
2021-10-12 12:55:53 +01:00

21 lines
453 B
Go

package flag
import (
"context"
"go-micro.dev/v4/config/source"
)
type includeUnsetKey struct{}
// IncludeUnset toggles the loading of unset flags and their respective default values.
// Default behavior is to ignore any unset flags.
func IncludeUnset(b bool) source.Option {
return func(o *source.Options) {
if o.Context == nil {
o.Context = context.Background()
}
o.Context = context.WithValue(o.Context, includeUnsetKey{}, true)
}
}