ruby, javascript and ... haskell

go/linguaevalia/linguaevalia.go

var Go = LanguageGeneral{"Go", "go", "go", []string{"run"}}
var Python = LanguageGeneral{"Python", "py", "python", []string{}}
var Ruby = LanguageGeneral{"Ruby", "rb", "ruby", []string{}}
var JavaScript = LanguageGeneral{"JavaScript", "js", "node", []string{}}
var Haskell = LanguageGeneral{"Haskell", "hs", "runhaskell", []string{}}
var languageMappings = map[string]Language{
	"go":     Go,
	"python": Python,
	"go":         Go,
	"python":     Python,
	"ruby":       Ruby,
	"javascript": JavaScript,
	"haskell":    Haskell,
}
func writeCode(code string, extension string) (*os.File, error) {