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| Boost | |
|---|---|
| Library project | |
| Developer | BOOST.ORG |
| Released | |
| Updated | May 3 2009 (1.39.0) |
| Status | Stable |
| Licensing | Boost License |
| P. Language | C++ |
| Platforms | Windows, Linux |
| Dependencies | |
| Official site of Boost | |
The Boost C++ libraries ( http://www.boost.org/ ) are licensed under the Boost License.
To a non-lawyer, the Boost License is about as permissive as a revised BSD-style license but takes up far less text. It intentionally allows reusing the source code in closed-source and commercial projects.
Boost Library features that are relatively easy to use, and remedy various issues with C++
- Static Assertions: allows converting compile-time invariant violations into compile errors. Usage is similar to assert. This is likely to be obsoleted by a revision of the C++ language.
- Call Traits: automatic selection of reasonably efficient types for various intentions. E.g., boost::call_traits<>::param_type selects the most efficient type for the effect of passing by value.
- Enable/Disable If : allows conditional definition of templates. Most useful in conjunction with the STL numeric_traits template and Boost's Type Traits library, for imposing type constraints on template parameters (partially replicating C# type constraints on generic parameters)
Note that fully using the last two points require Substitution Failure Is Not An Error for templates, which does require a relatively up to date compiler.
Boost Library features that apply to C
- Preprocessor : enables typical control structures (if-then-else, looping over the values of a list or sequence) for the C preprocessor.