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Rule-of-Three becomes Rule-of-Five with C++11?
...tor is considered deprecated. In particular, the following perfectly valid C++03 polymorphic base class
class C {
virtual ~C() { } // allow subtype polymorphism
};
should be rewritten as follows:
class C {
C(const C&) = default; // Copy constructor
C(C&&) = defa...
Why are private fields private to the type, not the instance?
...he modern programming world.
However, C# has admittedly looked hardest at C++ and Java for its language design. While Eiffel and Modula-3 were also in the picture, considering the many features of Eiffel missing (multiple inheritance) I believe they chose the same route as Java and C++ when it came...
“Least Astonishment” and the Mutable Default Argument
...imum of fuzz and confusion. As someone comming from systems programming in C++ and sometimes naively "translating" language features, this false friend kicked me in the in the soft of the head big time, just like class attributes. I understand why things are this way, but I cannot help but dislike i...
std::string formatting like sprintf
...ectly, because you don't have write access to the underlying buffer (until C++11; see Dietrich Epp's comment). You'll have to do it first in a c-string, then copy it into a std::string:
char buff[100];
snprintf(buff, sizeof(buff), "%s", "Hello");
std::string buffAsStdStr = buff;
But I'm not...
Use of 'const' for function parameters
...
Sometimes (too often!) I have to untangle someone else's C++ code. And we all know that someone else's C++ code is a complete mess almost by definition :) So the first thing I do to decipher local data flow is put const in every variable definition until compiler starts barking. Th...
C pointers : pointing to an array of fixed size
...n is by using a pointer-to-array parameter
void foo(char (*p)[10]);
(in C++ language this is also done with references
void foo(char (&p)[10]);
).
This will enable language-level type checking, which will make sure that the array of exactly correct size is supplied as an argument. In fact...
Boost Statechart vs. Meta State Machine
...
Minor nit-pick: In release mode, the use of C++ RTTI (dynamic_cast, typeid) is strictly optional with Boost.Statechart.
– user49572
Nov 30 '10 at 7:43
...
Why hasn't functional programming taken over yet?
...lesale embracing of the purity and beauty of Haskell and the abandoning of C++.
I build compilers for a living and we are definitely embracing a functional style for the next generation of compiler tools. That's because functional programming is fundamentally a good match for the sorts of problems ...
What is Hindley-Milner?
... which is specified in the definition, and not parametric polymorphism ala C++ where the actual type is specified by the programmer to create a new function.
– corazza
Apr 13 '14 at 11:50
...
Under what circumstances are linked lists useful?
...
It's also good to know that C++'s default std::list is not safe in a multithreaded context without locks.
– Mooing Duck
Aug 26 '13 at 19:30
...