From ac4289bd6c2b8977199904c5995f3b4cba6eef7e Mon Sep 17 00:00:00 2001
From: Douglas Gregor
The ::boost::function_traits
class template extracts information from function types.
+
+
+ | Expression + |
+ Description + |
+ Reference + |
+ Compiler requirements + |
+ + |
+ | ::boost::function_traits<F>::arity |
+ Determine the arity of the function type F . |
+ + | P | ++ |
+ | ::boost::function_traits<F>::result_type |
+ The type returned by function type F . |
+ + | P | ++ |
+ | ::boost::function_traits<F>::argN_type |
+ The N th argument type of function type F , where 1<=N<= arity of F . |
+ + | P | ++ |
The legends used in the tables above have the following