DockerCLI/vendor/gotest.tools/v3/internal/format/format.go

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package format // import "gotest.tools/v3/internal/format"
import "fmt"
// Message accepts a msgAndArgs varargs and formats it using fmt.Sprintf
func Message(msgAndArgs ...interface{}) string {
switch len(msgAndArgs) {
case 0:
return ""
case 1:
return fmt.Sprintf("%v", msgAndArgs[0])
default:
return fmt.Sprintf(msgAndArgs[0].(string), msgAndArgs[1:]...)
}
}
// WithCustomMessage accepts one or two messages and formats them appropriately
func WithCustomMessage(source string, msgAndArgs ...interface{}) string {
custom := Message(msgAndArgs...)
switch {
case custom == "":
return source
case source == "":
return custom
}
return fmt.Sprintf("%s: %s", source, custom)
}