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Modules | |
group | group() |
sigc::group() alters an arbitrary functor by rebuilding its arguments from one or more lambda expressions. | |
Classes | |
struct | sigc::lambda_base |
A hint to the compiler. More... | |
struct | sigc::lambda<T_type> |
Lambda type. More... |
The lambda selectors sigc::_1, sigc::_2, ..., sigc::_9 are used to select the first, second, ..., nineth argument from a list.
std::cout << (sigc::_1 + 5)(3); // returns (3 + 5) std::cout << (sigc::_1 * sigc::_2)(7,10); // returns (7 * 10)