github.com/franc20/ayesa_sap@v7.0.0-beta.28.0.20200124003224-302d4d52fa6c+incompatible/command/flag/instances.go (about)

     1  package flag
     2  
     3  import (
     4  	"code.cloudfoundry.org/cli/types"
     5  	flags "github.com/jessevdk/go-flags"
     6  )
     7  
     8  type Instances struct {
     9  	types.NullInt
    10  }
    11  
    12  func (i *Instances) UnmarshalFlag(val string) error {
    13  	err := i.ParseStringValue(val)
    14  	if err != nil || i.Value < 0 {
    15  		return &flags.Error{
    16  			Type:    flags.ErrRequired,
    17  			Message: "invalid argument for flag '-i' (expected int > 0)",
    18  		}
    19  	}
    20  	return nil
    21  }
    22  
    23  func (i *Instances) IsValidValue(val string) error {
    24  	return i.UnmarshalFlag(val)
    25  }