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Reading some questions here on SO about conversion operators and constructors got me thinking about the interaction between them, namely when there is an 'ambiguous' call. Consider the following code:
class A; class B { public: B(){} B(const A&) //conversion...
Started by GRB on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
The A& is the so-called implicit object parameter const qualification will win .
The conversions in the conversion sequence are conversion functions and converting constructors the conversion function is a member function.
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Hi,
I'm going to try to make myself clearer. Why does C# accept the following:
object o = "hello"; int? i = o as int?; if (i == null) { // o was not a boxed int } else { // Can use i.Value to recover the original boxed value }
and not
String = "hello"...
Started by Juan Carlos Blanco MartÃnez on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
When it only knows that the original value' to 'ICastToInterface' via a reference conversion, boxing conversion, unboxing conversion, wrapping conversion, or ....
Be a boxed int - the conversion will never ever succeed.
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Hi, I understand that the keyword explicit can be used to prevent implicit conversion.
For example
Foo { public: explicit Foo(int i) {} }
My question is, under what condition, implicit conversion should be prohibited? Why implicit conversion is harmful...
Started by skydoor on
, 9 posts
by 9 people.
Answer Snippets (Read the full thread at stackoverflow):
It is better to get a compiling error so the user can call itoa or some other conversion function conversion is a problem when....
); // value constructor with implicit conversion }; void func( const Bar& ); Bar b; b = 1; // expands.
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Ask your Facebook Friends
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Is there any difference between type casting & type conversion in c++.
Started by Programmer on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
Conversion is generally"; // Conversion from char[....
Casting refers to an explicit conversion, whether it's done by C-style cast ( T(v) or (T)v ) or C++-style cast ( static_cast , const_cast , dynamic_cast , or reinterpret_cast ).
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What are general guidelines on when user-defined implicit conversion could, should, or should not be defined?
I mean things like, for example, "an implicit conversion should never lose information", "an implicit conversion should never throw exceptions...
Started by Alexey Romanov on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
And in many cases, explicit operators are more useful, with the acceptance reading the conversion operators....
In some cases, having an implicit conversion can vastly simplify a calling conversion operators, though.
Structs and classes.
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Are there any conversion tools for porting Visual J# code to C#?
Started by Kevin Dente on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Worked well.
I've used the JLCA (Java Language Conversion Assistant) from Microsoft before.
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Is there a conversion function for color values between "# " <-> 0x
I like to read a value from String and convert it to hex number
Started by Tom on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
If you are using the flex compiler you can use the mx.styles.StyleManager to convert named colours (such as the format # or even common ... .
Replace # with either 0x or empty string and do a ParseInt(" ", 16)? Remember that #FFF is valid and equal to # .
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How to perform RGB->YUV conversion in C/C++?
I have some Bitmap.. RGB I need to convert it to YUV
Libs? Tuts? Articles?
Started by Ole Jak on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
ImageMagick ?
Check this article: http://www.fourcc.org/fccyvrgb.php Conversion is quite easy so.
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I need to do the data conversion from EDI format to XML. is there any step by step tutorial, links about what are the processes on data conversion? How to convert from EDI to XML, step by step guide?
I highly appreciate your help.
Thanks
Started by mrp on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
If you have a one-time conversion with just a few documents, you might be able to code your own.
To do.
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I am new in binary conversion. I use Python, Bash and AWK daily.
I would like to see binary conversion's applications in these languages. For example, I am interested in problems which you solve by it at your work.
Where do you use binary conversion in...
Started by Masi on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Conversion of strings of binary digits to a number using Python on the commandline:
binary=00001111.
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