| libstdc++
    | 
| Public Types | |
| typedef _Tp | argument_type | 
| typedef bool | result_type | 
| Public Member Functions | |
| bool | operator() (const _Tp &__x) const | 
One of the Boolean operations functors.
Definition at line 519 of file stl_function.h.
| 
 | inherited | 
argument_type is the type of the argument 
Definition at line 108 of file stl_function.h.
| 
 | inherited | 
result_type is the return type 
Definition at line 111 of file stl_function.h.