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moby--moby/pkg/ioutils/fmt.go

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package ioutils
import (
"fmt"
"io"
)
// FprintfIfNotEmpty prints the string value if it's not empty
func FprintfIfNotEmpty(w io.Writer, format, value string) (int, error) {
if value != "" {
return fmt.Fprintf(w, format, value)
}
return 0, nil
}
// FprintfIfTrue prints the boolean value if it's true
func FprintfIfTrue(w io.Writer, format string, ok bool) (int, error) {
if ok {
return fmt.Fprintf(w, format, ok)
}
return 0, nil
}