Add HasFunc eqvlt to TFunc about go-i18n HOT 7 CLOSED

So HasFunc would return a boolean true/false if a translation exists or not?

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yes. I also have been thinking to a sort of CascadeTFunc(Ids []string, args ...interface{}) string which has the advantage to better optimize the resources to find and identify the translation, see https://github.com/nicksnyder/go-i18n/blob/master/i18n/bundle/bundle.go#L224.

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Couple questions:

Right now i m doing it by trying to translate each possibility until it returns non empty value which is considered as the translation to consume.
I d prefer to use a HasFunc(ID) to remove that test on empty response.

Tfunc should return the translation id, not an empty response if a translation doesn't exist. Can you share your code?

I also have been thinking to a sort of CascadeTFunc(Ids []string, args ...interface{}) string

If this function existed, would you still want/need HasFunc?

has the advantage to better optimize the resources to find and identify the translation

I don't quite see how there is a better way than checking the ids one by one in priority order.

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1/ Right! mistake of mine.

func (f *FormTranslator) TError(formName string, fErr *FormValidationError) template.HTML {
  ids := []string{
    strings.ToLower(formName+"-"+fErr.Field+"-"+fErr.Tag),
    strings.ToLower(fErr.Ns+"-"+fErr.Tag),
    strings.ToLower(fErr.Field+"-"+fErr.Tag),
    strings.ToLower("form_error-"+fErr.Tag),
  }
  for _,id := range ids {
    m := f.T(id, fErr) //todo, escape fErr.Value.
    if m!="" && m!=id {
      return template.HTML(m)
    }
  }
  return template.HTML(f.missingTranslation(formName, fErr))
}

2/ If this function existed, would you still want/need HasFunc?

no

3/ there is this code that would be redundant.

4/ btw, language detection could be handled into TfuncAndLanguage, no ?

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I think this will be solved/obsolete with v2 proposed in #92

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sure, thanks.

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I just tagged 2.0.0.beta.1. Please start using it and report any issues that you have.

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