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- Decltype abstract "In the C++ programming language, decltype is a keyword used to query the type of an expression. It was introduced in the current version of the C++ standard, C++11. Its primary intended use is in generic programming, where it is often difficult, or even impossible, to express types that depend on template parameters. As generic programming techniques became increasingly popular throughout the 1990s, the need for a type-deduction mechanism was recognized. Many compiler vendors implemented their own versions of the operator, typically called typeof, and some portable implementations with limited functionality, based on existing language features were developed. In 2002, Bjarne Stroustrup proposed that a standardized version of the operator be added to the C++ language, and suggested the name "decltype", to reflect that the operator would yield the "declared type" of an expression.decltype's semantics were designed to cater to both generic library writers and novice programmers. In general, the deduced type matches the type of the object or function exactly as declared in the source code. Like the sizeof operator, decltype's operand is not evaluated.".
- Decltype wikiPageExternalLink decltype.
- Decltype wikiPageID "24220775".
- Decltype wikiPageRevisionID "604299357".
- Decltype hasPhotoCollection Decltype.
- Decltype subject Category:Articles_with_example_C++_code.
- Decltype subject Category:C++.
- Decltype comment "In the C++ programming language, decltype is a keyword used to query the type of an expression. It was introduced in the current version of the C++ standard, C++11. Its primary intended use is in generic programming, where it is often difficult, or even impossible, to express types that depend on template parameters. As generic programming techniques became increasingly popular throughout the 1990s, the need for a type-deduction mechanism was recognized.".
- Decltype label "Decltype".
- Decltype label "Decltype".
- Decltype label "Decltype".
- Decltype sameAs Decltype.
- Decltype sameAs m.07k9b0v.
- Decltype sameAs Q307729.
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- Decltype wasDerivedFrom Decltype?oldid=604299357.
- Decltype isPrimaryTopicOf Decltype.