string need to be robust

[Jacob Carlborg]

On 2011-03-14 06:45, ZY Zhou wrote:
> it doesn't make sense to add try/catch every time you use tolower/toupper/foreach
> on string. No one will do that.
> You either throw exception when convert invalid utf8 bytes to string, or never
> throw exception and use invalid UTF32 code in dchar to represent invalid utf8 code.
>
>    string s = "\x0A"; // this is the right place to throw the exception (or compile
> error)
>    s.tolower; // no one will add try/catch on this
>
> --ZY Zhou
>
> == Quote from Andrei Alexandrescu (SeeWebsiteForEmail at erdani.org)'s article
>> On 3/13/11 1:55 PM, Jacob Carlborg wrote:
>>> I would say that the functions should NOT crash but instead throw an
>>> exception. Then the developer can choose what to do when there's an
>>> invalid unicode character.
>> Yah. In addition, the exception should provide index information such
>> that an application can elect to continue processing.
>> Andrei

Depending on what kind of application you write, all you need could just 
be to wrap the main method in try/catch.

-- 
/Jacob Carlborg