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www.cppstories.com | ||
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www.foonathan.net
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| | | | | Common C++ guidelines are to initialize variables on use and to make variables const whenever possible. But sometimes a variable is unchanged once initialized and the initialization is complex, like involving a loop. Then an IIFE immediately-invoked function expression can be used: the variable is initialized by a lambda that computes the value, which is then immediately invoked to produce the value. Then the variable is initialized on use and can also be made const. Ive been recently working on a meta... | |
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www.bfilipek.com
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| | | | | The ISO Committee accepted and published the C++17 Standard in December 2017. In this mega-long article, I've built (with your help!) a list of all major features of the new standard. Please have a look and see what we get! Language Features New auto rules for direct-list-initialization static_assert with no message typename in a template template parameter Removing trigraphs Nested namespace definition Attributes for namespaces and enumerators u8 character literals Allow constant evaluation for all non-type template arguments Fold Expressions Unary fold expressions and empty parameter packs Remove Deprecated Use of the register Keyword Remove Deprecated operator++(bool) Removing Deprecated Exception Specifications from C++17 Make exception specifications part of the type system Aggregate initialization of classes with base classes Lambda capture of *this Using attribute namespaces without repetition Dynamic memory allocation for over-aligned data __has_include in preprocessor conditionals Template argument deduction for class templates Non-type template parameters with auto type Guaranteed copy elision New specification for inheriting constructors (DR1941 et al) Direct-list-initialization of enumerations Stricter expression evaluation order constexpr lambda expressions Different begin and end types in range-based for [[fallthrough]] attribute [[nodiscard]] attribute [[maybe_unused]] attribute Ignore unknown attributes Pack expansions in using-declarations Structured Binding Declarations Hexadecimal floating-point literals init-statements for if and switch Inline variables DR: Matching of template template-arguments excludes compatible templates std::uncaught_exceptions() constexpr if-statements SFINAE Tag dispatching if constexpr Library Features Merged: The Library Fundamentals 1 TS (most parts) Removal of some deprecated types and functions, including std::auto_ptr, std::random_shuffle, and old function adaptors Merged: The Parallelism TS, a. | |
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www.bfilipek.com
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| | | | | Some time ago I covered how to use custom deleters with smart pointers. The basic idea is to specify a dedicated method that will be called when a pointer is released. One logical application of custom deleters might be resource handles like files or the WinApi HANDLE type. Lets see how can we implement such thing. | |
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dougseven.com
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| | | Today I am at re:Invent 2022 in Las Vegas, NV. I am spending my days talking to AWS customers about Amazon CodeWhisperer - a new developer productivity service that will accelerate application development by providing automatic code recommendations based on the code and comments in your IDE. For developers, Amazon CodeWhisperer is an IDE extension... | ||
