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String [FEATURE REQUEST] [message #19418]

Tue, 02 December 2008 20:22

amando1957
Messages: 57
Registered: November 2007
Location: Wien/Vienna/Viden

Member

Hi to all!

The String is surely topping the std::thingy, but could have two goodies well known from char-pointers:

1
Query if empty with

if (! s) {Cout() << "is empty.\n";}

to wrap the

if (s.GetCount() < 1) {Cout() << "is empty.\n";}

2
With a char-pointer I can do:

char *toRemove = "xxx Some text";
Cout() << (toRemove + 4);

would write "Some text" at screen. Now the String has got

friend String operator+(const String& a, int b) { String c(a); c += b; return c; }

and WString has got

friend WString operator+(const WString& a, char b)

but

Cout() << (s + 4) << '\n';

appends any "fun character" at screen only. Reading the code its no surprise but I cannot see the sense of. I would prefer the same result as with char-pointers.

Martin

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Re: String [FEATURE REQUEST] [message #19428 is a reply to message #19418]

Wed, 03 December 2008 10:07

mirek
Messages: 13975
Registered: November 2005

Ultimate Member

I am sorry, while it sounds reasonable, it is hitting overloading rules wall. I mean, if you add them, you have nasty problems with overloading ambiguities.

Notes:

if (s.IsEmpty()) {Cout() << "is empty.\n";}

Cout() << (~s + 4) << '\n';

Mirek

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