Boost 1.76.0 Library Documentation - Language Features Emulation

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Language Features Emulation

The Boost Exception library supports transporting of arbitrary data in exception objects, and transporting of exceptions between threads.

Author(s): Emil Dotchevski
First Release: 1.36.0
C++ Standard Minimum Level: 03
Categories: Language Features Emulation

Foreach

In C++, writing a loop that iterates over a sequence is tedious. We can either use iterators, which requires a considerable amount of boiler-plate, or we can use the std::for_each() algorithm and move our loop body into a predicate, which requires no less boiler-plate and forces us to move our logic far from where it will be used. In contrast, some other languages, like Perl, provide a dedicated "foreach" construct that automates this process. BOOST_FOREACH is just such a construct for C++. It iterates over sequences for us, freeing us from having to deal directly with iterators or write predicates.

Author(s): Eric Niebler
First Release: 1.34.0
Categories: Algorithms, Language Features Emulation

Move

Portable move semantics for C++03 and C++11 compilers.

Author(s): Ion Gaztañaga
First Release: 1.48.0
Categories: Language Features Emulation

Outcome

A deterministic failure handling library partially simulating lightweight exceptions.

Author(s): Niall Douglas
First Release: 1.70.0
C++ Standard Minimum Level: 14
Categories: Language Features Emulation, Patterns and Idioms, Programming Interfaces

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