determineLanguageByHeader

string determineLanguageByHeader(T)(string accept_language,  T allowed_languages) if (isForwardRange!T &&  is(ElementType!T :  string)  ||  is(T ==  typeof(only())))

@safe pure @nogc

Determines a language code from the value of a header string.

Returns

The best match from the Accept-Language header for a language. null if there is no supported language.

string determineLanguageByHeader(Tuple...)(string accept_language,  Tuple allowed_languages) if (Tuple.length !=  1 ||  is(Tuple[0] :  string))

@safe pure @nogc

ditto

string determineLanguageByHeader(T)(HTTPServerRequest req,  T allowed_languages) if (isForwardRange!T &&  is(ElementType!T :  string)  ||  is(T ==  typeof(only())))

@safe pure

ditto

string determineLanguageByHeader(Tuple...)(HTTPServerRequest req,  Tuple allowed_languages) if (Tuple.length !=  1 ||  is(Tuple[0] :  string))

@safe pure

ditto