21 lines
		
	
	
		
			466 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			466 B
		
	
	
	
		
			Go
		
	
	
	
	
	
package flag
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import (
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	"context"
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	"github.com/micro/go-micro/v3/config/source"
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)
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type includeUnsetKey struct{}
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// IncludeUnset toggles the loading of unset flags and their respective default values.
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// Default behavior is to ignore any unset flags.
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func IncludeUnset(b bool) source.Option {
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	return func(o *source.Options) {
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		if o.Context == nil {
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			o.Context = context.Background()
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		}
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		o.Context = context.WithValue(o.Context, includeUnsetKey{}, true)
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	}
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}
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