On Sep 27, 2005, at 13:04 , Andrew Johnson wrote:
Use 'assign' instead of 'operator =',
'isEqual' instead of 'operator ==',
'getElement' instead of 'operator []', ...
After replacing all operators, I think your suggestion is great.
I already implement assign() and equals(). The operator=
operator== and operator+= methods are non-virtual inline wrappers
that call those virtual functions, and are provided for user
convenience only.
I agree that it's initially more convenient to be able to
use the operators.
But in the long run, it causes the C++ and e.g. Java sources
differ, and in C++ I also find it difficult to understand what's
called when everything has cast and assignment operators.
Of course that's my personal problem and would never
happen to anybody else.
operator[] is not currently implemented in that fashion, but I am
willing to do that too (although I don't like your name so I will
probably change it).
Yes, feel free to change it. Some suggestions:
1) More explicitly named, with limited error handling
enum indexedElementAccessResultEnum
{ ok, index_too_large, string_temporarily_unavailable,
string_never_available };
class indexedElementAccessResult
{
public:
indexedElementAccessResult ( indexedElementAccessResultEnum );
virtual ~indexedElementAccessResult ();
const indexedElementAccessResult & operator =
( indexedElementAccessResultEnum rhs );
indexedElementAccessResultEnum getResult () const;
bool isOK() const;
private:
indexedElementAccessResult ();
indexedElementAccessResultEnum result;
};
indexedElementAccessResult indexedElementAccess(size_t index, char
&result) const;
2) Naive, now with shorter names:
// will return '\0' for invalid idx
char get(size_t idx);
-Kay
- Replies:
- Re: strings Andrew Johnson
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- RE: data access structures, strings Jeff Hill
- Re: data access structures, strings Kay-Uwe Kasemir
- Re: data access structures, strings Andrew Johnson
- Re: data access structures, strings Kay-Uwe Kasemir
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